DataBase Updation With DataGridView in simple steps

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:2.0.50727.3053
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

#pragma warning disable 1591

namespace gridViewTest {
    
    
    /// <summary>
    ///Represents a strongly typed in-memory cache of data.
    ///</summary>
    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
    [global::System.Serializable()]
    [global::System.ComponentModel.DesignerCategoryAttribute("code")]
    [global::System.ComponentModel.ToolboxItem(true)]
    [global::System.Xml.Serialization.XmlSchemaProviderAttribute("GetTypedDataSetSchema")]
    [global::System.Xml.Serialization.XmlRootAttribute("gridTestDataSet")]
    [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.DataSet")]
    public partial class gridTestDataSet : global::System.Data.DataSet {
        
        private EmpDataTable tableEmp;
        
        private global::System.Data.SchemaSerializationMode _schemaSerializationMode = global::System.Data.SchemaSerializationMode.IncludeSchema;
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public gridTestDataSet() {
            this.BeginInit();
            this.InitClass();
            global::System.ComponentModel.CollectionChangeEventHandler schemaChangedHandler = new global::System.ComponentModel.CollectionChangeEventHandler(this.SchemaChanged);
            base.Tables.CollectionChanged += schemaChangedHandler;
            base.Relations.CollectionChanged += schemaChangedHandler;
            this.EndInit();
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected gridTestDataSet(global::System.Runtime.Serialization.SerializationInfo info, global::System.Runtime.Serialization.StreamingContext context) : 
                base(info, context, false) {
            if ((this.IsBinarySerialized(info, context) == true)) {
                this.InitVars(false);
                global::System.ComponentModel.CollectionChangeEventHandler schemaChangedHandler1 = new global::System.ComponentModel.CollectionChangeEventHandler(this.SchemaChanged);
                this.Tables.CollectionChanged += schemaChangedHandler1;
                this.Relations.CollectionChanged += schemaChangedHandler1;
                return;
            }
            string strSchema = ((string)(info.GetValue("XmlSchema", typeof(string))));
            if ((this.DetermineSchemaSerializationMode(info, context) == global::System.Data.SchemaSerializationMode.IncludeSchema)) {
                global::System.Data.DataSet ds = new global::System.Data.DataSet();
                ds.ReadXmlSchema(new global::System.Xml.XmlTextReader(new global::System.IO.StringReader(strSchema)));
                if ((ds.Tables["Emp"] != null)) {
                    base.Tables.Add(new EmpDataTable(ds.Tables["Emp"]));
                }
                this.DataSetName = ds.DataSetName;
                this.Prefix = ds.Prefix;
                this.Namespace = ds.Namespace;
                this.Locale = ds.Locale;
                this.CaseSensitive = ds.CaseSensitive;
                this.EnforceConstraints = ds.EnforceConstraints;
                this.Merge(ds, false, global::System.Data.MissingSchemaAction.Add);
                this.InitVars();
            }
            else {
                this.ReadXmlSchema(new global::System.Xml.XmlTextReader(new global::System.IO.StringReader(strSchema)));
            }
            this.GetSerializationData(info, context);
            global::System.ComponentModel.CollectionChangeEventHandler schemaChangedHandler = new global::System.ComponentModel.CollectionChangeEventHandler(this.SchemaChanged);
            base.Tables.CollectionChanged += schemaChangedHandler;
            this.Relations.CollectionChanged += schemaChangedHandler;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Browsable(false)]
        [global::System.ComponentModel.DesignerSerializationVisibility(global::System.ComponentModel.DesignerSerializationVisibility.Content)]
        public EmpDataTable Emp {
            get {
                return this.tableEmp;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.BrowsableAttribute(true)]
        [global::System.ComponentModel.DesignerSerializationVisibilityAttribute(global::System.ComponentModel.DesignerSerializationVisibility.Visible)]
        public override global::System.Data.SchemaSerializationMode SchemaSerializationMode {
            get {
                return this._schemaSerializationMode;
            }
            set {
                this._schemaSerializationMode = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.DesignerSerializationVisibilityAttribute(global::System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public new global::System.Data.DataTableCollection Tables {
            get {
                return base.Tables;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.DesignerSerializationVisibilityAttribute(global::System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public new global::System.Data.DataRelationCollection Relations {
            get {
                return base.Relations;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected override void InitializeDerivedDataSet() {
            this.BeginInit();
            this.InitClass();
            this.EndInit();
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public override global::System.Data.DataSet Clone() {
            gridTestDataSet cln = ((gridTestDataSet)(base.Clone()));
            cln.InitVars();
            cln.SchemaSerializationMode = this.SchemaSerializationMode;
            return cln;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected override bool ShouldSerializeTables() {
            return false;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected override bool ShouldSerializeRelations() {
            return false;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected override void ReadXmlSerializable(global::System.Xml.XmlReader reader) {
            if ((this.DetermineSchemaSerializationMode(reader) == global::System.Data.SchemaSerializationMode.IncludeSchema)) {
                this.Reset();
                global::System.Data.DataSet ds = new global::System.Data.DataSet();
                ds.ReadXml(reader);
                if ((ds.Tables["Emp"] != null)) {
                    base.Tables.Add(new EmpDataTable(ds.Tables["Emp"]));
                }
                this.DataSetName = ds.DataSetName;
                this.Prefix = ds.Prefix;
                this.Namespace = ds.Namespace;
                this.Locale = ds.Locale;
                this.CaseSensitive = ds.CaseSensitive;
                this.EnforceConstraints = ds.EnforceConstraints;
                this.Merge(ds, false, global::System.Data.MissingSchemaAction.Add);
                this.InitVars();
            }
            else {
                this.ReadXml(reader);
                this.InitVars();
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected override global::System.Xml.Schema.XmlSchema GetSchemaSerializable() {
            global::System.IO.MemoryStream stream = new global::System.IO.MemoryStream();
            this.WriteXmlSchema(new global::System.Xml.XmlTextWriter(stream, null));
            stream.Position = 0;
            return global::System.Xml.Schema.XmlSchema.Read(new global::System.Xml.XmlTextReader(stream), null);
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal void InitVars() {
            this.InitVars(true);
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal void InitVars(bool initTable) {
            this.tableEmp = ((EmpDataTable)(base.Tables["Emp"]));
            if ((initTable == true)) {
                if ((this.tableEmp != null)) {
                    this.tableEmp.InitVars();
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitClass() {
            this.DataSetName = "gridTestDataSet";
            this.Prefix = "";
            this.Namespace = "http://tempuri.org/gridTestDataSet.xsd";
            this.EnforceConstraints = true;
            this.SchemaSerializationMode = global::System.Data.SchemaSerializationMode.IncludeSchema;
            this.tableEmp = new EmpDataTable();
            base.Tables.Add(this.tableEmp);
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private bool ShouldSerializeEmp() {
            return false;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void SchemaChanged(object sender, global::System.ComponentModel.CollectionChangeEventArgs e) {
            if ((e.Action == global::System.ComponentModel.CollectionChangeAction.Remove)) {
                this.InitVars();
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedDataSetSchema(global::System.Xml.Schema.XmlSchemaSet xs) {
            gridTestDataSet ds = new gridTestDataSet();
            global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
            global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
            global::System.Xml.Schema.XmlSchemaAny any = new global::System.Xml.Schema.XmlSchemaAny();
            any.Namespace = ds.Namespace;
            sequence.Items.Add(any);
            type.Particle = sequence;
            global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
            if (xs.Contains(dsSchema.TargetNamespace)) {
                global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
                global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
                try {
                    global::System.Xml.Schema.XmlSchema schema = null;
                    dsSchema.Write(s1);
                    for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext(); ) {
                        schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
                        s2.SetLength(0);
                        schema.Write(s2);
                        if ((s1.Length == s2.Length)) {
                            s1.Position = 0;
                            s2.Position = 0;
                            for (; ((s1.Position != s1.Length) 
                                        && (s1.ReadByte() == s2.ReadByte())); ) {
                                ;
                            }
                            if ((s1.Position == s1.Length)) {
                                return type;
                            }
                        }
                    }
                }
                finally {
                    if ((s1 != null)) {
                        s1.Close();
                    }
                    if ((s2 != null)) {
                        s2.Close();
                    }
                }
            }
            xs.Add(dsSchema);
            return type;
        }
        
        public delegate void EmpRowChangeEventHandler(object sender, EmpRowChangeEvent e);
        
        /// <summary>
        ///Represents the strongly named DataTable class.
        ///</summary>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        [global::System.Serializable()]
        [global::System.Xml.Serialization.XmlSchemaProviderAttribute("GetTypedTableSchema")]
        public partial class EmpDataTable : global::System.Data.TypedTableBase<EmpRow> {
            
            private global::System.Data.DataColumn columnID;
            
            private global::System.Data.DataColumn columnempName;
            
            private global::System.Data.DataColumn columndeptt;
            
            private global::System.Data.DataColumn columncontactno;
            
            private global::System.Data.DataColumn columnmailid;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpDataTable() {
                this.TableName = "Emp";
                this.BeginInit();
                this.InitClass();
                this.EndInit();
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            internal EmpDataTable(global::System.Data.DataTable table) {
                this.TableName = table.TableName;
                if ((table.CaseSensitive != table.DataSet.CaseSensitive)) {
                    this.CaseSensitive = table.CaseSensitive;
                }
                if ((table.Locale.ToString() != table.DataSet.Locale.ToString())) {
                    this.Locale = table.Locale;
                }
                if ((table.Namespace != table.DataSet.Namespace)) {
                    this.Namespace = table.Namespace;
                }
                this.Prefix = table.Prefix;
                this.MinimumCapacity = table.MinimumCapacity;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected EmpDataTable(global::System.Runtime.Serialization.SerializationInfo info, global::System.Runtime.Serialization.StreamingContext context) : 
                    base(info, context) {
                this.InitVars();
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataColumn IDColumn {
                get {
                    return this.columnID;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataColumn empNameColumn {
                get {
                    return this.columnempName;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataColumn depttColumn {
                get {
                    return this.columndeptt;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataColumn contactnoColumn {
                get {
                    return this.columncontactno;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataColumn mailidColumn {
                get {
                    return this.columnmailid;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            [global::System.ComponentModel.Browsable(false)]
            public int Count {
                get {
                    return this.Rows.Count;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRow this[int index] {
                get {
                    return ((EmpRow)(this.Rows[index]));
                }
            }
            
            public event EmpRowChangeEventHandler EmpRowChanging;
            
            public event EmpRowChangeEventHandler EmpRowChanged;
            
            public event EmpRowChangeEventHandler EmpRowDeleting;
            
            public event EmpRowChangeEventHandler EmpRowDeleted;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void AddEmpRow(EmpRow row) {
                this.Rows.Add(row);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRow AddEmpRow(string empName, string deptt, string contactno, string mailid) {
                EmpRow rowEmpRow = ((EmpRow)(this.NewRow()));
                object[] columnValuesArray = new object[] {
                        null,
                        empName,
                        deptt,
                        contactno,
                        mailid};
                rowEmpRow.ItemArray = columnValuesArray;
                this.Rows.Add(rowEmpRow);
                return rowEmpRow;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRow FindByID(int ID) {
                return ((EmpRow)(this.Rows.Find(new object[] {
                            ID})));
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public override global::System.Data.DataTable Clone() {
                EmpDataTable cln = ((EmpDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override global::System.Data.DataTable CreateInstance() {
                return new EmpDataTable();
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            internal void InitVars() {
                this.columnID = base.Columns["ID"];
                this.columnempName = base.Columns["empName"];
                this.columndeptt = base.Columns["deptt"];
                this.columncontactno = base.Columns["contactno"];
                this.columnmailid = base.Columns["mailid"];
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            private void InitClass() {
                this.columnID = new global::System.Data.DataColumn("ID", typeof(int), null, global::System.Data.MappingType.Element);
                base.Columns.Add(this.columnID);
                this.columnempName = new global::System.Data.DataColumn("empName", typeof(string), null, global::System.Data.MappingType.Element);
                base.Columns.Add(this.columnempName);
                this.columndeptt = new global::System.Data.DataColumn("deptt", typeof(string), null, global::System.Data.MappingType.Element);
                base.Columns.Add(this.columndeptt);
                this.columncontactno = new global::System.Data.DataColumn("contactno", typeof(string), null, global::System.Data.MappingType.Element);
                base.Columns.Add(this.columncontactno);
                this.columnmailid = new global::System.Data.DataColumn("mailid", typeof(string), null, global::System.Data.MappingType.Element);
                base.Columns.Add(this.columnmailid);
                this.Constraints.Add(new global::System.Data.UniqueConstraint("Constraint1", new global::System.Data.DataColumn[] {
                                this.columnID}, true));
                this.columnID.AutoIncrement = true;
                this.columnID.AutoIncrementSeed = -1;
                this.columnID.AutoIncrementStep = -1;
                this.columnID.AllowDBNull = false;
                this.columnID.Unique = true;
                this.columnempName.MaxLength = 255;
                this.columndeptt.MaxLength = 255;
                this.columncontactno.MaxLength = 255;
                this.columnmailid.MaxLength = 255;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRow NewEmpRow() {
                return ((EmpRow)(this.NewRow()));
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override global::System.Data.DataRow NewRowFromBuilder(global::System.Data.DataRowBuilder builder) {
                return new EmpRow(builder);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override global::System.Type GetRowType() {
                return typeof(EmpRow);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override void OnRowChanged(global::System.Data.DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.EmpRowChanged != null)) {
                    this.EmpRowChanged(this, new EmpRowChangeEvent(((EmpRow)(e.Row)), e.Action));
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override void OnRowChanging(global::System.Data.DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.EmpRowChanging != null)) {
                    this.EmpRowChanging(this, new EmpRowChangeEvent(((EmpRow)(e.Row)), e.Action));
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override void OnRowDeleted(global::System.Data.DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.EmpRowDeleted != null)) {
                    this.EmpRowDeleted(this, new EmpRowChangeEvent(((EmpRow)(e.Row)), e.Action));
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            protected override void OnRowDeleting(global::System.Data.DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.EmpRowDeleting != null)) {
                    this.EmpRowDeleting(this, new EmpRowChangeEvent(((EmpRow)(e.Row)), e.Action));
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void RemoveEmpRow(EmpRow row) {
                this.Rows.Remove(row);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedTableSchema(global::System.Xml.Schema.XmlSchemaSet xs) {
                global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
                global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
                gridTestDataSet ds = new gridTestDataSet();
                global::System.Xml.Schema.XmlSchemaAny any1 = new global::System.Xml.Schema.XmlSchemaAny();
                any1.Namespace = "http://www.w3.org/2001/XMLSchema";
                any1.MinOccurs = new decimal(0);
                any1.MaxOccurs = decimal.MaxValue;
                any1.ProcessContents = global::System.Xml.Schema.XmlSchemaContentProcessing.Lax;
                sequence.Items.Add(any1);
                global::System.Xml.Schema.XmlSchemaAny any2 = new global::System.Xml.Schema.XmlSchemaAny();
                any2.Namespace = "urn:schemas-microsoft-com:xml-diffgram-v1";
                any2.MinOccurs = new decimal(1);
                any2.ProcessContents = global::System.Xml.Schema.XmlSchemaContentProcessing.Lax;
                sequence.Items.Add(any2);
                global::System.Xml.Schema.XmlSchemaAttribute attribute1 = new global::System.Xml.Schema.XmlSchemaAttribute();
                attribute1.Name = "namespace";
                attribute1.FixedValue = ds.Namespace;
                type.Attributes.Add(attribute1);
                global::System.Xml.Schema.XmlSchemaAttribute attribute2 = new global::System.Xml.Schema.XmlSchemaAttribute();
                attribute2.Name = "tableTypeName";
                attribute2.FixedValue = "EmpDataTable";
                type.Attributes.Add(attribute2);
                type.Particle = sequence;
                global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
                if (xs.Contains(dsSchema.TargetNamespace)) {
                    global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
                    global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
                    try {
                        global::System.Xml.Schema.XmlSchema schema = null;
                        dsSchema.Write(s1);
                        for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext(); ) {
                            schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
                            s2.SetLength(0);
                            schema.Write(s2);
                            if ((s1.Length == s2.Length)) {
                                s1.Position = 0;
                                s2.Position = 0;
                                for (; ((s1.Position != s1.Length) 
                                            && (s1.ReadByte() == s2.ReadByte())); ) {
                                    ;
                                }
                                if ((s1.Position == s1.Length)) {
                                    return type;
                                }
                            }
                        }
                    }
                    finally {
                        if ((s1 != null)) {
                            s1.Close();
                        }
                        if ((s2 != null)) {
                            s2.Close();
                        }
                    }
                }
                xs.Add(dsSchema);
                return type;
            }
        }
        
        /// <summary>
        ///Represents strongly named DataRow class.
        ///</summary>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public partial class EmpRow : global::System.Data.DataRow {
            
            private EmpDataTable tableEmp;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            internal EmpRow(global::System.Data.DataRowBuilder rb) : 
                    base(rb) {
                this.tableEmp = ((EmpDataTable)(this.Table));
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public int ID {
                get {
                    return ((int)(this[this.tableEmp.IDColumn]));
                }
                set {
                    this[this.tableEmp.IDColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string empName {
                get {
                    try {
                        return ((string)(this[this.tableEmp.empNameColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("The value for column \'empName\' in table \'Emp\' is DBNull.", e);
                    }
                }
                set {
                    this[this.tableEmp.empNameColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string deptt {
                get {
                    try {
                        return ((string)(this[this.tableEmp.depttColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("The value for column \'deptt\' in table \'Emp\' is DBNull.", e);
                    }
                }
                set {
                    this[this.tableEmp.depttColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string contactno {
                get {
                    try {
                        return ((string)(this[this.tableEmp.contactnoColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("The value for column \'contactno\' in table \'Emp\' is DBNull.", e);
                    }
                }
                set {
                    this[this.tableEmp.contactnoColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string mailid {
                get {
                    try {
                        return ((string)(this[this.tableEmp.mailidColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("The value for column \'mailid\' in table \'Emp\' is DBNull.", e);
                    }
                }
                set {
                    this[this.tableEmp.mailidColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsempNameNull() {
                return this.IsNull(this.tableEmp.empNameColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetempNameNull() {
                this[this.tableEmp.empNameColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsdepttNull() {
                return this.IsNull(this.tableEmp.depttColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetdepttNull() {
                this[this.tableEmp.depttColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IscontactnoNull() {
                return this.IsNull(this.tableEmp.contactnoColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetcontactnoNull() {
                this[this.tableEmp.contactnoColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsmailidNull() {
                return this.IsNull(this.tableEmp.mailidColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetmailidNull() {
                this[this.tableEmp.mailidColumn] = global::System.Convert.DBNull;
            }
        }
        
        /// <summary>
        ///Row event argument class
        ///</summary>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public class EmpRowChangeEvent : global::System.EventArgs {
            
            private EmpRow eventRow;
            
            private global::System.Data.DataRowAction eventAction;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRowChangeEvent(EmpRow row, global::System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public EmpRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}
namespace gridViewTest.gridTestDataSetTableAdapters {
    
    
    /// <summary>
    ///Represents the connection and commands used to retrieve and save data.
    ///</summary>
    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
    [global::System.ComponentModel.DesignerCategoryAttribute("code")]
    [global::System.ComponentModel.ToolboxItem(true)]
    [global::System.ComponentModel.DataObjectAttribute(true)]
    [global::System.ComponentModel.DesignerAttribute("Microsoft.VSDesigner.DataSource.Design.TableAdapterDesigner, Microsoft.VSDesigner" +
        ", Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
    public partial class EmpTableAdapter : global::System.ComponentModel.Component {
        
        private global::System.Data.OleDb.OleDbDataAdapter _adapter;
        
        private global::System.Data.OleDb.OleDbConnection _connection;
        
        private global::System.Data.OleDb.OleDbTransaction _transaction;
        
        private global::System.Data.OleDb.OleDbCommand[] _commandCollection;
        
        private bool _clearBeforeFill;
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public EmpTableAdapter() {
            this.ClearBeforeFill = true;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected internal global::System.Data.OleDb.OleDbDataAdapter Adapter {
            get {
                if ((this._adapter == null)) {
                    this.InitAdapter();
                }
                return this._adapter;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal global::System.Data.OleDb.OleDbConnection Connection {
            get {
                if ((this._connection == null)) {
                    this.InitConnection();
                }
                return this._connection;
            }
            set {
                this._connection = value;
                if ((this.Adapter.InsertCommand != null)) {
                    this.Adapter.InsertCommand.Connection = value;
                }
                if ((this.Adapter.DeleteCommand != null)) {
                    this.Adapter.DeleteCommand.Connection = value;
                }
                if ((this.Adapter.UpdateCommand != null)) {
                    this.Adapter.UpdateCommand.Connection = value;
                }
                for (int i = 0; (i < this.CommandCollection.Length); i = (i + 1)) {
                    if ((this.CommandCollection[i] != null)) {
                        ((global::System.Data.OleDb.OleDbCommand)(this.CommandCollection[i])).Connection = value;
                    }
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal global::System.Data.OleDb.OleDbTransaction Transaction {
            get {
                return this._transaction;
            }
            set {
                this._transaction = value;
                for (int i = 0; (i < this.CommandCollection.Length); i = (i + 1)) {
                    this.CommandCollection[i].Transaction = this._transaction;
                }
                if (((this.Adapter != null) 
                            && (this.Adapter.DeleteCommand != null))) {
                    this.Adapter.DeleteCommand.Transaction = this._transaction;
                }
                if (((this.Adapter != null) 
                            && (this.Adapter.InsertCommand != null))) {
                    this.Adapter.InsertCommand.Transaction = this._transaction;
                }
                if (((this.Adapter != null) 
                            && (this.Adapter.UpdateCommand != null))) {
                    this.Adapter.UpdateCommand.Transaction = this._transaction;
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected global::System.Data.OleDb.OleDbCommand[] CommandCollection {
            get {
                if ((this._commandCollection == null)) {
                    this.InitCommandCollection();
                }
                return this._commandCollection;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public bool ClearBeforeFill {
            get {
                return this._clearBeforeFill;
            }
            set {
                this._clearBeforeFill = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitAdapter() {
            this._adapter = new global::System.Data.OleDb.OleDbDataAdapter();
            global::System.Data.Common.DataTableMapping tableMapping = new global::System.Data.Common.DataTableMapping();
            tableMapping.SourceTable = "Table";
            tableMapping.DataSetTable = "Emp";
            tableMapping.ColumnMappings.Add("ID", "ID");
            tableMapping.ColumnMappings.Add("empName", "empName");
            tableMapping.ColumnMappings.Add("deptt", "deptt");
            tableMapping.ColumnMappings.Add("contactno", "contactno");
            tableMapping.ColumnMappings.Add("mailid", "mailid");
            this._adapter.TableMappings.Add(tableMapping);
            this._adapter.DeleteCommand = new global::System.Data.OleDb.OleDbCommand();
            this._adapter.DeleteCommand.Connection = this.Connection;
            this._adapter.DeleteCommand.CommandText = "DELETE FROM `Emp` WHERE ((`ID` = ?) AND ((? = 1 AND `empName` IS NULL) OR (`empNa" +
                "me` = ?)) AND ((? = 1 AND `deptt` IS NULL) OR (`deptt` = ?)) AND ((? = 1 AND `co" +
                "ntactno` IS NULL) OR (`contactno` = ?)) AND ((? = 1 AND `mailid` IS NULL) OR (`m" +
                "ailid` = ?)))";
            this._adapter.DeleteCommand.CommandType = global::System.Data.CommandType.Text;
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_ID", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "ID", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_empName", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_empName", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_deptt", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_deptt", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_contactno", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_contactno", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_mailid", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.DeleteCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_mailid", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.InsertCommand = new global::System.Data.OleDb.OleDbCommand();
            this._adapter.InsertCommand.Connection = this.Connection;
            this._adapter.InsertCommand.CommandText = "INSERT INTO `Emp` (`empName`, `deptt`, `contactno`, `mailid`) VALUES (?, ?, ?, ?)" +
                "";
            this._adapter.InsertCommand.CommandType = global::System.Data.CommandType.Text;
            this._adapter.InsertCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("empName", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.InsertCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("deptt", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.InsertCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("contactno", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.InsertCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("mailid", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.UpdateCommand = new global::System.Data.OleDb.OleDbCommand();
            this._adapter.UpdateCommand.Connection = this.Connection;
            this._adapter.UpdateCommand.CommandText = @"UPDATE `Emp` SET `empName` = ?, `deptt` = ?, `contactno` = ?, `mailid` = ? WHERE ((`ID` = ?) AND ((? = 1 AND `empName` IS NULL) OR (`empName` = ?)) AND ((? = 1 AND `deptt` IS NULL) OR (`deptt` = ?)) AND ((? = 1 AND `contactno` IS NULL) OR (`contactno` = ?)) AND ((? = 1 AND `mailid` IS NULL) OR (`mailid` = ?)))";
            this._adapter.UpdateCommand.CommandType = global::System.Data.CommandType.Text;
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("empName", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("deptt", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("contactno", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("mailid", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Current, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_ID", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "ID", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_empName", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_empName", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "empName", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_deptt", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_deptt", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "deptt", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_contactno", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_contactno", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "contactno", global::System.Data.DataRowVersion.Original, false, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("IsNull_mailid", global::System.Data.OleDb.OleDbType.Integer, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Original, true, null));
            this._adapter.UpdateCommand.Parameters.Add(new global::System.Data.OleDb.OleDbParameter("Original_mailid", global::System.Data.OleDb.OleDbType.VarWChar, 0, global::System.Data.ParameterDirection.Input, ((byte)(0)), ((byte)(0)), "mailid", global::System.Data.DataRowVersion.Original, false, null));
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitConnection() {
            this._connection = new global::System.Data.OleDb.OleDbConnection();
            this._connection.ConnectionString = global::gridViewTest.Properties.Settings.Default.gridTestConnectionString1;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitCommandCollection() {
            this._commandCollection = new global::System.Data.OleDb.OleDbCommand[1];
            this._commandCollection[0] = new global::System.Data.OleDb.OleDbCommand();
            this._commandCollection[0].Connection = this.Connection;
            this._commandCollection[0].CommandText = "SELECT ID, empName, deptt, contactno, mailid FROM Emp";
            this._commandCollection[0].CommandType = global::System.Data.CommandType.Text;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        [global::System.ComponentModel.DataObjectMethodAttribute(global::System.ComponentModel.DataObjectMethodType.Fill, true)]
        public virtual int Fill(gridTestDataSet.EmpDataTable dataTable) {
            this.Adapter.SelectCommand = this.CommandCollection[0];
            if ((this.ClearBeforeFill == true)) {
                dataTable.Clear();
            }
            int returnValue = this.Adapter.Fill(dataTable);
            return returnValue;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        [global::System.ComponentModel.DataObjectMethodAttribute(global::System.ComponentModel.DataObjectMethodType.Select, true)]
        public virtual gridTestDataSet.EmpDataTable GetData() {
            this.Adapter.SelectCommand = this.CommandCollection[0];
            gridTestDataSet.EmpDataTable dataTable = new gridTestDataSet.EmpDataTable();
            this.Adapter.Fill(dataTable);
            return dataTable;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        public virtual int Update(gridTestDataSet.EmpDataTable dataTable) {
            return this.Adapter.Update(dataTable);
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        public virtual int Update(gridTestDataSet dataSet) {
            return this.Adapter.Update(dataSet, "Emp");
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        public virtual int Update(global::System.Data.DataRow dataRow) {
            return this.Adapter.Update(new global::System.Data.DataRow[] {
                        dataRow});
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        public virtual int Update(global::System.Data.DataRow[] dataRows) {
            return this.Adapter.Update(dataRows);
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        [global::System.ComponentModel.DataObjectMethodAttribute(global::System.ComponentModel.DataObjectMethodType.Delete, true)]
        public virtual int Delete(int Original_ID, string Original_empName, string Original_deptt, string Original_contactno, string Original_mailid) {
            this.Adapter.DeleteCommand.Parameters[0].Value = ((int)(Original_ID));
            if ((Original_empName == null)) {
                this.Adapter.DeleteCommand.Parameters[1].Value = ((object)(1));
                this.Adapter.DeleteCommand.Parameters[2].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.DeleteCommand.Parameters[1].Value = ((object)(0));
                this.Adapter.DeleteCommand.Parameters[2].Value = ((string)(Original_empName));
            }
            if ((Original_deptt == null)) {
                this.Adapter.DeleteCommand.Parameters[3].Value = ((object)(1));
                this.Adapter.DeleteCommand.Parameters[4].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.DeleteCommand.Parameters[3].Value = ((object)(0));
                this.Adapter.DeleteCommand.Parameters[4].Value = ((string)(Original_deptt));
            }
            if ((Original_contactno == null)) {
                this.Adapter.DeleteCommand.Parameters[5].Value = ((object)(1));
                this.Adapter.DeleteCommand.Parameters[6].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.DeleteCommand.Parameters[5].Value = ((object)(0));
                this.Adapter.DeleteCommand.Parameters[6].Value = ((string)(Original_contactno));
            }
            if ((Original_mailid == null)) {
                this.Adapter.DeleteCommand.Parameters[7].Value = ((object)(1));
                this.Adapter.DeleteCommand.Parameters[8].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.DeleteCommand.Parameters[7].Value = ((object)(0));
                this.Adapter.DeleteCommand.Parameters[8].Value = ((string)(Original_mailid));
            }
            global::System.Data.ConnectionState previousConnectionState = this.Adapter.DeleteCommand.Connection.State;
            if (((this.Adapter.DeleteCommand.Connection.State & global::System.Data.ConnectionState.Open) 
                        != global::System.Data.ConnectionState.Open)) {
                this.Adapter.DeleteCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.DeleteCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == global::System.Data.ConnectionState.Closed)) {
                    this.Adapter.DeleteCommand.Connection.Close();
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        [global::System.ComponentModel.DataObjectMethodAttribute(global::System.ComponentModel.DataObjectMethodType.Insert, true)]
        public virtual int Insert(string empName, string deptt, string contactno, string mailid) {
            if ((empName == null)) {
                this.Adapter.InsertCommand.Parameters[0].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.InsertCommand.Parameters[0].Value = ((string)(empName));
            }
            if ((deptt == null)) {
                this.Adapter.InsertCommand.Parameters[1].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.InsertCommand.Parameters[1].Value = ((string)(deptt));
            }
            if ((contactno == null)) {
                this.Adapter.InsertCommand.Parameters[2].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.InsertCommand.Parameters[2].Value = ((string)(contactno));
            }
            if ((mailid == null)) {
                this.Adapter.InsertCommand.Parameters[3].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.InsertCommand.Parameters[3].Value = ((string)(mailid));
            }
            global::System.Data.ConnectionState previousConnectionState = this.Adapter.InsertCommand.Connection.State;
            if (((this.Adapter.InsertCommand.Connection.State & global::System.Data.ConnectionState.Open) 
                        != global::System.Data.ConnectionState.Open)) {
                this.Adapter.InsertCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.InsertCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == global::System.Data.ConnectionState.Closed)) {
                    this.Adapter.InsertCommand.Connection.Close();
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
        [global::System.ComponentModel.DataObjectMethodAttribute(global::System.ComponentModel.DataObjectMethodType.Update, true)]
        public virtual int Update(string empName, string deptt, string contactno, string mailid, int Original_ID, string Original_empName, string Original_deptt, string Original_contactno, string Original_mailid) {
            if ((empName == null)) {
                this.Adapter.UpdateCommand.Parameters[0].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[0].Value = ((string)(empName));
            }
            if ((deptt == null)) {
                this.Adapter.UpdateCommand.Parameters[1].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[1].Value = ((string)(deptt));
            }
            if ((contactno == null)) {
                this.Adapter.UpdateCommand.Parameters[2].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[2].Value = ((string)(contactno));
            }
            if ((mailid == null)) {
                this.Adapter.UpdateCommand.Parameters[3].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[3].Value = ((string)(mailid));
            }
            this.Adapter.UpdateCommand.Parameters[4].Value = ((int)(Original_ID));
            if ((Original_empName == null)) {
                this.Adapter.UpdateCommand.Parameters[5].Value = ((object)(1));
                this.Adapter.UpdateCommand.Parameters[6].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[5].Value = ((object)(0));
                this.Adapter.UpdateCommand.Parameters[6].Value = ((string)(Original_empName));
            }
            if ((Original_deptt == null)) {
                this.Adapter.UpdateCommand.Parameters[7].Value = ((object)(1));
                this.Adapter.UpdateCommand.Parameters[8].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[7].Value = ((object)(0));
                this.Adapter.UpdateCommand.Parameters[8].Value = ((string)(Original_deptt));
            }
            if ((Original_contactno == null)) {
                this.Adapter.UpdateCommand.Parameters[9].Value = ((object)(1));
                this.Adapter.UpdateCommand.Parameters[10].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[9].Value = ((object)(0));
                this.Adapter.UpdateCommand.Parameters[10].Value = ((string)(Original_contactno));
            }
            if ((Original_mailid == null)) {
                this.Adapter.UpdateCommand.Parameters[11].Value = ((object)(1));
                this.Adapter.UpdateCommand.Parameters[12].Value = global::System.DBNull.Value;
            }
            else {
                this.Adapter.UpdateCommand.Parameters[11].Value = ((object)(0));
                this.Adapter.UpdateCommand.Parameters[12].Value = ((string)(Original_mailid));
            }
            global::System.Data.ConnectionState previousConnectionState = this.Adapter.UpdateCommand.Connection.State;
            if (((this.Adapter.UpdateCommand.Connection.State & global::System.Data.ConnectionState.Open) 
                        != global::System.Data.ConnectionState.Open)) {
                this.Adapter.UpdateCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.UpdateCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == global::System.Data.ConnectionState.Closed)) {
                    this.Adapter.UpdateCommand.Connection.Close();
                }
            }
        }
    }
    
    /// <summary>
    ///TableAdapterManager is used to coordinate TableAdapters in the dataset to enable Hierarchical Update scenarios
    ///</summary>
    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
    [global::System.ComponentModel.DesignerCategoryAttribute("code")]
    [global::System.ComponentModel.ToolboxItem(true)]
    [global::System.ComponentModel.DesignerAttribute("Microsoft.VSDesigner.DataSource.Design.TableAdapterManagerDesigner, Microsoft.VSD" +
        "esigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    [global::System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapterManager")]
    public partial class TableAdapterManager : global::System.ComponentModel.Component {
        
        private UpdateOrderOption _updateOrder;
        
        private EmpTableAdapter _empTableAdapter;
        
        private bool _backupDataSetBeforeUpdate;
        
        private global::System.Data.IDbConnection _connection;
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public UpdateOrderOption UpdateOrder {
            get {
                return this._updateOrder;
            }
            set {
                this._updateOrder = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.EditorAttribute("Microsoft.VSDesigner.DataSource.Design.TableAdapterManagerPropertyEditor, Microso" +
            "ft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" +
            "", "System.Drawing.Design.UITypeEditor")]
        public EmpTableAdapter EmpTableAdapter {
            get {
                return this._empTableAdapter;
            }
            set {
                this._empTableAdapter = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public bool BackupDataSetBeforeUpdate {
            get {
                return this._backupDataSetBeforeUpdate;
            }
            set {
                this._backupDataSetBeforeUpdate = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Browsable(false)]
        public global::System.Data.IDbConnection Connection {
            get {
                if ((this._connection != null)) {
                    return this._connection;
                }
                if (((this._empTableAdapter != null) 
                            && (this._empTableAdapter.Connection != null))) {
                    return this._empTableAdapter.Connection;
                }
                return null;
            }
            set {
                this._connection = value;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.ComponentModel.Browsable(false)]
        public int TableAdapterInstanceCount {
            get {
                int count = 0;
                if ((this._empTableAdapter != null)) {
                    count = (count + 1);
                }
                return count;
            }
        }
        
        /// <summary>
        ///Update rows in top-down order.
        ///</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private int UpdateUpdatedRows(gridTestDataSet dataSet, global::System.Collections.Generic.List<global::System.Data.DataRow> allChangedRows, global::System.Collections.Generic.List<global::System.Data.DataRow> allAddedRows) {
            int result = 0;
            if ((this._empTableAdapter != null)) {
                global::System.Data.DataRow[] updatedRows = dataSet.Emp.Select(null, null, global::System.Data.DataViewRowState.ModifiedCurrent);
                updatedRows = this.GetRealUpdatedRows(updatedRows, allAddedRows);
                if (((updatedRows != null) 
                            && (0 < updatedRows.Length))) {
                    result = (result + this._empTableAdapter.Update(updatedRows));
                    allChangedRows.AddRange(updatedRows);
                }
            }
            return result;
        }
        
        /// <summary>
        ///Insert rows in top-down order.
        ///</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private int UpdateInsertedRows(gridTestDataSet dataSet, global::System.Collections.Generic.List<global::System.Data.DataRow> allAddedRows) {
            int result = 0;
            if ((this._empTableAdapter != null)) {
                global::System.Data.DataRow[] addedRows = dataSet.Emp.Select(null, null, global::System.Data.DataViewRowState.Added);
                if (((addedRows != null) 
                            && (0 < addedRows.Length))) {
                    result = (result + this._empTableAdapter.Update(addedRows));
                    allAddedRows.AddRange(addedRows);
                }
            }
            return result;
        }
        
        /// <summary>
        ///Delete rows in bottom-up order.
        ///</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private int UpdateDeletedRows(gridTestDataSet dataSet, global::System.Collections.Generic.List<global::System.Data.DataRow> allChangedRows) {
            int result = 0;
            if ((this._empTableAdapter != null)) {
                global::System.Data.DataRow[] deletedRows = dataSet.Emp.Select(null, null, global::System.Data.DataViewRowState.Deleted);
                if (((deletedRows != null) 
                            && (0 < deletedRows.Length))) {
                    result = (result + this._empTableAdapter.Update(deletedRows));
                    allChangedRows.AddRange(deletedRows);
                }
            }
            return result;
        }
        
        /// <summary>
        ///Remove inserted rows that become updated rows after calling TableAdapter.Update(inserted rows) first
        ///</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private global::System.Data.DataRow[] GetRealUpdatedRows(global::System.Data.DataRow[] updatedRows, global::System.Collections.Generic.List<global::System.Data.DataRow> allAddedRows) {
            if (((updatedRows == null) 
                        || (updatedRows.Length < 1))) {
                return updatedRows;
            }
            if (((allAddedRows == null) 
                        || (allAddedRows.Count < 1))) {
                return updatedRows;
            }
            global::System.Collections.Generic.List<global::System.Data.DataRow> realUpdatedRows = new global::System.Collections.Generic.List<global::System.Data.DataRow>();
            for (int i = 0; (i < updatedRows.Length); i = (i + 1)) {
                global::System.Data.DataRow row = updatedRows[i];
                if ((allAddedRows.Contains(row) == false)) {
                    realUpdatedRows.Add(row);
                }
            }
            return realUpdatedRows.ToArray();
        }
        
        /// <summary>
        ///Update all changes to the dataset.
        ///</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public virtual int UpdateAll(gridTestDataSet dataSet) {
            if ((dataSet == null)) {
                throw new global::System.ArgumentNullException("dataSet");
            }
            if ((dataSet.HasChanges() == false)) {
                return 0;
            }
            if (((this._empTableAdapter != null) 
                        && (this.MatchTableAdapterConnection(this._empTableAdapter.Connection) == false))) {
                throw new global::System.ArgumentException("All TableAdapters managed by a TableAdapterManager must use the same connection s" +
                        "tring.");
            }
            global::System.Data.IDbConnection workConnection = this.Connection;
            if ((workConnection == null)) {
                throw new global::System.ApplicationException("TableAdapterManager contains no connection information. Set each TableAdapterMana" +
                        "ger TableAdapter property to a valid TableAdapter instance.");
            }
            bool workConnOpened = false;
            if (((workConnection.State & global::System.Data.ConnectionState.Broken) 
                        == global::System.Data.ConnectionState.Broken)) {
                workConnection.Close();
            }
            if ((workConnection.State == global::System.Data.ConnectionState.Closed)) {
                workConnection.Open();
                workConnOpened = true;
            }
            global::System.Data.IDbTransaction workTransaction = workConnection.BeginTransaction();
            if ((workTransaction == null)) {
                throw new global::System.ApplicationException("The transaction cannot begin. The current data connection does not support transa" +
                        "ctions or the current state is not allowing the transaction to begin.");
            }
            global::System.Collections.Generic.List<global::System.Data.DataRow> allChangedRows = new global::System.Collections.Generic.List<global::System.Data.DataRow>();
            global::System.Collections.Generic.List<global::System.Data.DataRow> allAddedRows = new global::System.Collections.Generic.List<global::System.Data.DataRow>();
            global::System.Collections.Generic.List<global::System.Data.Common.DataAdapter> adaptersWithAcceptChangesDuringUpdate = new global::System.Collections.Generic.List<global::System.Data.Common.DataAdapter>();
            global::System.Collections.Generic.Dictionary<object, global::System.Data.IDbConnection> revertConnections = new global::System.Collections.Generic.Dictionary<object, global::System.Data.IDbConnection>();
            int result = 0;
            global::System.Data.DataSet backupDataSet = null;
            if (this.BackupDataSetBeforeUpdate) {
                backupDataSet = new global::System.Data.DataSet();
                backupDataSet.Merge(dataSet);
            }
            try {
                // ---- Prepare for update -----------
                //
                if ((this._empTableAdapter != null)) {
                    revertConnections.Add(this._empTableAdapter, this._empTableAdapter.Connection);
                    this._empTableAdapter.Connection = ((global::System.Data.OleDb.OleDbConnection)(workConnection));
                    this._empTableAdapter.Transaction = ((global::System.Data.OleDb.OleDbTransaction)(workTransaction));
                    if (this._empTableAdapter.Adapter.AcceptChangesDuringUpdate) {
                        this._empTableAdapter.Adapter.AcceptChangesDuringUpdate = false;
                        adaptersWithAcceptChangesDuringUpdate.Add(this._empTableAdapter.Adapter);
                    }
                }
                // 
                //---- Perform updates -----------
                //
                if ((this.UpdateOrder == UpdateOrderOption.UpdateInsertDelete)) {
                    result = (result + this.UpdateUpdatedRows(dataSet, allChangedRows, allAddedRows));
                    result = (result + this.UpdateInsertedRows(dataSet, allAddedRows));
                }
                else {
                    result = (result + this.UpdateInsertedRows(dataSet, allAddedRows));
                    result = (result + this.UpdateUpdatedRows(dataSet, allChangedRows, allAddedRows));
                }
                result = (result + this.UpdateDeletedRows(dataSet, allChangedRows));
                // 
                //---- Commit updates -----------
                //
                workTransaction.Commit();
                if ((0 < allAddedRows.Count)) {
                    global::System.Data.DataRow[] rows = new System.Data.DataRow[allAddedRows.Count];
                    allAddedRows.CopyTo(rows);
                    for (int i = 0; (i < rows.Length); i = (i + 1)) {
                        global::System.Data.DataRow row = rows[i];
                        row.AcceptChanges();
                    }
                }
                if ((0 < allChangedRows.Count)) {
                    global::System.Data.DataRow[] rows = new System.Data.DataRow[allChangedRows.Count];
                    allChangedRows.CopyTo(rows);
                    for (int i = 0; (i < rows.Length); i = (i + 1)) {
                        global::System.Data.DataRow row = rows[i];
                        row.AcceptChanges();
                    }
                }
            }
            catch (global::System.Exception ex) {
                workTransaction.Rollback();
                // ---- Restore the dataset -----------
                if (this.BackupDataSetBeforeUpdate) {
                    global::System.Diagnostics.Debug.Assert((backupDataSet != null));
                    dataSet.Clear();
                    dataSet.Merge(backupDataSet);
                }
                else {
                    if ((0 < allAddedRows.Count)) {
                        global::System.Data.DataRow[] rows = new System.Data.DataRow[allAddedRows.Count];
                        allAddedRows.CopyTo(rows);
                        for (int i = 0; (i < rows.Length); i = (i + 1)) {
                            global::System.Data.DataRow row = rows[i];
                            row.AcceptChanges();
                            row.SetAdded();
                        }
                    }
                }
                throw ex;
            }
            finally {
                if (workConnOpened) {
                    workConnection.Close();
                }
                if ((this._empTableAdapter != null)) {
                    this._empTableAdapter.Connection = ((global::System.Data.OleDb.OleDbConnection)(revertConnections[this._empTableAdapter]));
                    this._empTableAdapter.Transaction = null;
                }
                if ((0 < adaptersWithAcceptChangesDuringUpdate.Count)) {
                    global::System.Data.Common.DataAdapter[] adapters = new System.Data.Common.DataAdapter[adaptersWithAcceptChangesDuringUpdate.Count];
                    adaptersWithAcceptChangesDuringUpdate.CopyTo(adapters);
                    for (int i = 0; (i < adapters.Length); i = (i + 1)) {
                        global::System.Data.Common.DataAdapter adapter = adapters[i];
                        adapter.AcceptChangesDuringUpdate = true;
                    }
                }
            }
            return result;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected virtual void SortSelfReferenceRows(global::System.Data.DataRow[] rows, global::System.Data.DataRelation relation, bool childFirst) {
            global::System.Array.Sort<global::System.Data.DataRow>(rows, new SelfReferenceComparer(relation, childFirst));
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected virtual bool MatchTableAdapterConnection(global::System.Data.IDbConnection inputConnection) {
            if ((this._connection != null)) {
                return true;
            }
            if (((this.Connection == null) 
                        || (inputConnection == null))) {
                return true;
            }
            if (string.Equals(this.Connection.ConnectionString, inputConnection.ConnectionString, global::System.StringComparison.Ordinal)) {
                return true;
            }
            return false;
        }
        
        /// <summary>
        ///Update Order Option
        ///</summary>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public enum UpdateOrderOption {
            
            InsertUpdateDelete = 0,
            
            UpdateInsertDelete = 1,
        }
        
        /// <summary>
        ///Used to sort self-referenced table's rows
        ///</summary>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        private class SelfReferenceComparer : object, global::System.Collections.Generic.IComparer<global::System.Data.DataRow> {
            
            private global::System.Data.DataRelation _relation;
            
            private int _childFirst;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            internal SelfReferenceComparer(global::System.Data.DataRelation relation, bool childFirst) {
                this._relation = relation;
                if (childFirst) {
                    this._childFirst = -1;
                }
                else {
                    this._childFirst = 1;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            private bool IsChildAndParent(global::System.Data.DataRow child, global::System.Data.DataRow parent) {
                global::System.Diagnostics.Debug.Assert((child != null));
                global::System.Diagnostics.Debug.Assert((parent != null));
                global::System.Data.DataRow newParent = child.GetParentRow(this._relation, global::System.Data.DataRowVersion.Default);
                for (
                ; ((newParent != null) 
                            && ((object.ReferenceEquals(newParent, child) == false) 
                            && (object.ReferenceEquals(newParent, parent) == false))); 
                ) {
                    newParent = newParent.GetParentRow(this._relation, global::System.Data.DataRowVersion.Default);
                }
                if ((newParent == null)) {
                    for (newParent = child.GetParentRow(this._relation, global::System.Data.DataRowVersion.Original); ((newParent != null) 
                                && ((object.ReferenceEquals(newParent, child) == false) 
                                && (object.ReferenceEquals(newParent, parent) == false))); 
                    ) {
                        newParent = newParent.GetParentRow(this._relation, global::System.Data.DataRowVersion.Original);
                    }
                }
                if (object.ReferenceEquals(newParent, parent)) {
                    return true;
                }
                return false;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public int Compare(global::System.Data.DataRow row1, global::System.Data.DataRow row2) {
                if (object.ReferenceEquals(row1, row2)) {
                    return 0;
                }
                if ((row1 == null)) {
                    return -1;
                }
                if ((row2 == null)) {
                    return 1;
                }

                // Is row1 the child or grandchild of row2
                if (this.IsChildAndParent(row1, row2)) {
                    return this._childFirst;
                }

                // Is row2 the child or grandchild of row1
                if (this.IsChildAndParent(row2, row1)) {
                    return (-1 * this._childFirst);
                }
                return 0;
            }
        }
    }
}

#pragma warning restore 1591