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RSS News Reader

, 10 May 2005 88.9K 3.1K 51
A VB.NET RSS news reader. RSS sites are stored in an Access database, and items can be selected from a DataGrid. Selected news items are displayed in an embedded browser.
rssnewsreadervbexecutable.zip
AxInterop.SHDocVw.dll
Interop.SHDocVw.dll
rss.mdb
RssReader.exe
rssnewsreadervbsource.zip
rss.mdb
RssReader.vbproj.user
DataSet1.xsx
'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.1.4322.573
'
'     Changes to this file may cause incorrect behavior and will be lost if 
'     the code is regenerated.
' </autogenerated>
'------------------------------------------------------------------------------

Option Strict Off
Option Explicit On

Imports System
Imports System.Data
Imports System.Runtime.Serialization
Imports System.Xml


<Serializable(),  _
 System.ComponentModel.DesignerCategoryAttribute("code"),  _
 System.Diagnostics.DebuggerStepThrough(),  _
 System.ComponentModel.ToolboxItem(true)>  _
Public Class DataSet1
    Inherits DataSet
    
    Private tableitem As itemDataTable
    
    Private tableViewItems As ViewItemsDataTable
    
    Private tablersssites As rsssitesDataTable
    
    Public Sub New()
        MyBase.New
        Me.InitClass
        Dim schemaChangedHandler As System.ComponentModel.CollectionChangeEventHandler = AddressOf Me.SchemaChanged
        AddHandler Me.Tables.CollectionChanged, schemaChangedHandler
        AddHandler Me.Relations.CollectionChanged, schemaChangedHandler
    End Sub
    
    Protected Sub New(ByVal info As SerializationInfo, ByVal context As StreamingContext)
        MyBase.New
        Dim strSchema As String = CType(info.GetValue("XmlSchema", GetType(System.String)),String)
        If (Not (strSchema) Is Nothing) Then
            Dim ds As DataSet = New DataSet
            ds.ReadXmlSchema(New XmlTextReader(New System.IO.StringReader(strSchema)))
            If (Not (ds.Tables("item")) Is Nothing) Then
                Me.Tables.Add(New itemDataTable(ds.Tables("item")))
            End If
            If (Not (ds.Tables("ViewItems")) Is Nothing) Then
                Me.Tables.Add(New ViewItemsDataTable(ds.Tables("ViewItems")))
            End If
            If (Not (ds.Tables("rsssites")) Is Nothing) Then
                Me.Tables.Add(New rsssitesDataTable(ds.Tables("rsssites")))
            End If
            Me.DataSetName = ds.DataSetName
            Me.Prefix = ds.Prefix
            Me.Namespace = ds.Namespace
            Me.Locale = ds.Locale
            Me.CaseSensitive = ds.CaseSensitive
            Me.EnforceConstraints = ds.EnforceConstraints
            Me.Merge(ds, false, System.Data.MissingSchemaAction.Add)
            Me.InitVars
        Else
            Me.InitClass
        End If
        Me.GetSerializationData(info, context)
        Dim schemaChangedHandler As System.ComponentModel.CollectionChangeEventHandler = AddressOf Me.SchemaChanged
        AddHandler Me.Tables.CollectionChanged, schemaChangedHandler
        AddHandler Me.Relations.CollectionChanged, schemaChangedHandler
    End Sub
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property item As itemDataTable
        Get
            Return Me.tableitem
        End Get
    End Property
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property ViewItems As ViewItemsDataTable
        Get
            Return Me.tableViewItems
        End Get
    End Property
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property rsssites As rsssitesDataTable
        Get
            Return Me.tablersssites
        End Get
    End Property
    
    Public Overrides Function Clone() As DataSet
        Dim cln As DataSet1 = CType(MyBase.Clone,DataSet1)
        cln.InitVars
        Return cln
    End Function
    
    Protected Overrides Function ShouldSerializeTables() As Boolean
        Return false
    End Function
    
    Protected Overrides Function ShouldSerializeRelations() As Boolean
        Return false
    End Function
    
    Protected Overrides Sub ReadXmlSerializable(ByVal reader As XmlReader)
        Me.Reset
        Dim ds As DataSet = New DataSet
        ds.ReadXml(reader)
        If (Not (ds.Tables("item")) Is Nothing) Then
            Me.Tables.Add(New itemDataTable(ds.Tables("item")))
        End If
        If (Not (ds.Tables("ViewItems")) Is Nothing) Then
            Me.Tables.Add(New ViewItemsDataTable(ds.Tables("ViewItems")))
        End If
        If (Not (ds.Tables("rsssites")) Is Nothing) Then
            Me.Tables.Add(New rsssitesDataTable(ds.Tables("rsssites")))
        End If
        Me.DataSetName = ds.DataSetName
        Me.Prefix = ds.Prefix
        Me.Namespace = ds.Namespace
        Me.Locale = ds.Locale
        Me.CaseSensitive = ds.CaseSensitive
        Me.EnforceConstraints = ds.EnforceConstraints
        Me.Merge(ds, false, System.Data.MissingSchemaAction.Add)
        Me.InitVars
    End Sub
    
    Protected Overrides Function GetSchemaSerializable() As System.Xml.Schema.XmlSchema
        Dim stream As System.IO.MemoryStream = New System.IO.MemoryStream
        Me.WriteXmlSchema(New XmlTextWriter(stream, Nothing))
        stream.Position = 0
        Return System.Xml.Schema.XmlSchema.Read(New XmlTextReader(stream), Nothing)
    End Function
    
    Friend Sub InitVars()
        Me.tableitem = CType(Me.Tables("item"),itemDataTable)
        If (Not (Me.tableitem) Is Nothing) Then
            Me.tableitem.InitVars
        End If
        Me.tableViewItems = CType(Me.Tables("ViewItems"),ViewItemsDataTable)
        If (Not (Me.tableViewItems) Is Nothing) Then
            Me.tableViewItems.InitVars
        End If
        Me.tablersssites = CType(Me.Tables("rsssites"),rsssitesDataTable)
        If (Not (Me.tablersssites) Is Nothing) Then
            Me.tablersssites.InitVars
        End If
    End Sub
    
    Private Sub InitClass()
        Me.DataSetName = "DataSet1"
        Me.Prefix = ""
        Me.Namespace = "http://www.tempuri.org/DataSet1.xsd"
        Me.Locale = New System.Globalization.CultureInfo("en-US")
        Me.CaseSensitive = false
        Me.EnforceConstraints = true
        Me.tableitem = New itemDataTable
        Me.Tables.Add(Me.tableitem)
        Me.tableViewItems = New ViewItemsDataTable
        Me.Tables.Add(Me.tableViewItems)
        Me.tablersssites = New rsssitesDataTable
        Me.Tables.Add(Me.tablersssites)
    End Sub
    
    Private Function ShouldSerializeitem() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerializeViewItems() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerializersssites() As Boolean
        Return false
    End Function
    
    Private Sub SchemaChanged(ByVal sender As Object, ByVal e As System.ComponentModel.CollectionChangeEventArgs)
        If (e.Action = System.ComponentModel.CollectionChangeAction.Remove) Then
            Me.InitVars
        End If
    End Sub
    
    Public Delegate Sub itemRowChangeEventHandler(ByVal sender As Object, ByVal e As itemRowChangeEvent)
    
    Public Delegate Sub ViewItemsRowChangeEventHandler(ByVal sender As Object, ByVal e As ViewItemsRowChangeEvent)
    
    Public Delegate Sub rsssitesRowChangeEventHandler(ByVal sender As Object, ByVal e As rsssitesRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class itemDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnauthor As DataColumn
        
        Private columndescription As DataColumn
        
        Private columnid As DataColumn
        
        Private columnlink As DataColumn
        
        Private columnpubdate As DataColumn
        
        Private columntitle As DataColumn
        
        Private columnView As DataColumn
        
        Friend Sub New()
            MyBase.New("item")
            Me.InitClass
        End Sub
        
        Friend Sub New(ByVal table As DataTable)
            MyBase.New(table.TableName)
            If (table.CaseSensitive <> table.DataSet.CaseSensitive) Then
                Me.CaseSensitive = table.CaseSensitive
            End If
            If (table.Locale.ToString <> table.DataSet.Locale.ToString) Then
                Me.Locale = table.Locale
            End If
            If (table.Namespace <> table.DataSet.Namespace) Then
                Me.Namespace = table.Namespace
            End If
            Me.Prefix = table.Prefix
            Me.MinimumCapacity = table.MinimumCapacity
            Me.DisplayExpression = table.DisplayExpression
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property authorColumn As DataColumn
            Get
                Return Me.columnauthor
            End Get
        End Property
        
        Friend ReadOnly Property descriptionColumn As DataColumn
            Get
                Return Me.columndescription
            End Get
        End Property
        
        Friend ReadOnly Property idColumn As DataColumn
            Get
                Return Me.columnid
            End Get
        End Property
        
        Friend ReadOnly Property linkColumn As DataColumn
            Get
                Return Me.columnlink
            End Get
        End Property
        
        Friend ReadOnly Property pubdateColumn As DataColumn
            Get
                Return Me.columnpubdate
            End Get
        End Property
        
        Friend ReadOnly Property titleColumn As DataColumn
            Get
                Return Me.columntitle
            End Get
        End Property
        
        Friend ReadOnly Property ViewColumn As DataColumn
            Get
                Return Me.columnView
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As itemRow
            Get
                Return CType(Me.Rows(index),itemRow)
            End Get
        End Property
        
        Public Event itemRowChanged As itemRowChangeEventHandler
        
        Public Event itemRowChanging As itemRowChangeEventHandler
        
        Public Event itemRowDeleted As itemRowChangeEventHandler
        
        Public Event itemRowDeleting As itemRowChangeEventHandler
        
        Public Overloads Sub AdditemRow(ByVal row As itemRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AdditemRow(ByVal author As String, ByVal description As String, ByVal link As String, ByVal pubdate As Date, ByVal title As String, ByVal View As Boolean) As itemRow
            Dim rowitemRow As itemRow = CType(Me.NewRow,itemRow)
            rowitemRow.ItemArray = New Object() {author, description, Nothing, link, pubdate, title, View}
            Me.Rows.Add(rowitemRow)
            Return rowitemRow
        End Function
        
        Public Function FindByid(ByVal id As Integer) As itemRow
            Return CType(Me.Rows.Find(New Object() {id}),itemRow)
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Public Overrides Function Clone() As DataTable
            Dim cln As itemDataTable = CType(MyBase.Clone,itemDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New itemDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnauthor = Me.Columns("author")
            Me.columndescription = Me.Columns("description")
            Me.columnid = Me.Columns("id")
            Me.columnlink = Me.Columns("link")
            Me.columnpubdate = Me.Columns("pubdate")
            Me.columntitle = Me.Columns("title")
            Me.columnView = Me.Columns("View")
        End Sub
        
        Private Sub InitClass()
            Me.columnauthor = New DataColumn("author", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnauthor)
            Me.columndescription = New DataColumn("description", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columndescription)
            Me.columnid = New DataColumn("id", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnid)
            Me.columnlink = New DataColumn("link", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnlink)
            Me.columnpubdate = New DataColumn("pubdate", GetType(System.DateTime), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnpubdate)
            Me.columntitle = New DataColumn("title", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columntitle)
            Me.columnView = New DataColumn("View", GetType(System.Boolean), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnView)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnid}, true))
            Me.columnid.AutoIncrement = true
            Me.columnid.AllowDBNull = false
            Me.columnid.Unique = true
        End Sub
        
        Public Function NewitemRow() As itemRow
            Return CType(Me.NewRow,itemRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New itemRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(itemRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.itemRowChangedEvent) Is Nothing) Then
                RaiseEvent itemRowChanged(Me, New itemRowChangeEvent(CType(e.Row,itemRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.itemRowChangingEvent) Is Nothing) Then
                RaiseEvent itemRowChanging(Me, New itemRowChangeEvent(CType(e.Row,itemRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.itemRowDeletedEvent) Is Nothing) Then
                RaiseEvent itemRowDeleted(Me, New itemRowChangeEvent(CType(e.Row,itemRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.itemRowDeletingEvent) Is Nothing) Then
                RaiseEvent itemRowDeleting(Me, New itemRowChangeEvent(CType(e.Row,itemRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveitemRow(ByVal row As itemRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class itemRow
        Inherits DataRow
        
        Private tableitem As itemDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableitem = CType(Me.Table,itemDataTable)
        End Sub
        
        Public Property author As String
            Get
                Try 
                    Return CType(Me(Me.tableitem.authorColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.authorColumn) = value
            End Set
        End Property
        
        Public Property description As String
            Get
                Try 
                    Return CType(Me(Me.tableitem.descriptionColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.descriptionColumn) = value
            End Set
        End Property
        
        Public Property id As Integer
            Get
                Return CType(Me(Me.tableitem.idColumn),Integer)
            End Get
            Set
                Me(Me.tableitem.idColumn) = value
            End Set
        End Property
        
        Public Property link As String
            Get
                Try 
                    Return CType(Me(Me.tableitem.linkColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.linkColumn) = value
            End Set
        End Property
        
        Public Property pubdate As Date
            Get
                Try 
                    Return CType(Me(Me.tableitem.pubdateColumn),Date)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.pubdateColumn) = value
            End Set
        End Property
        
        Public Property title As String
            Get
                Try 
                    Return CType(Me(Me.tableitem.titleColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.titleColumn) = value
            End Set
        End Property
        
        Public Property View As Boolean
            Get
                Try 
                    Return CType(Me(Me.tableitem.ViewColumn),Boolean)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableitem.ViewColumn) = value
            End Set
        End Property
        
        Public Function IsauthorNull() As Boolean
            Return Me.IsNull(Me.tableitem.authorColumn)
        End Function
        
        Public Sub SetauthorNull()
            Me(Me.tableitem.authorColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsdescriptionNull() As Boolean
            Return Me.IsNull(Me.tableitem.descriptionColumn)
        End Function
        
        Public Sub SetdescriptionNull()
            Me(Me.tableitem.descriptionColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IslinkNull() As Boolean
            Return Me.IsNull(Me.tableitem.linkColumn)
        End Function
        
        Public Sub SetlinkNull()
            Me(Me.tableitem.linkColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IspubdateNull() As Boolean
            Return Me.IsNull(Me.tableitem.pubdateColumn)
        End Function
        
        Public Sub SetpubdateNull()
            Me(Me.tableitem.pubdateColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IstitleNull() As Boolean
            Return Me.IsNull(Me.tableitem.titleColumn)
        End Function
        
        Public Sub SettitleNull()
            Me(Me.tableitem.titleColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsViewNull() As Boolean
            Return Me.IsNull(Me.tableitem.ViewColumn)
        End Function
        
        Public Sub SetViewNull()
            Me(Me.tableitem.ViewColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class itemRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As itemRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As itemRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As itemRow
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class ViewItemsDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnlink As DataColumn
        
        Friend Sub New()
            MyBase.New("ViewItems")
            Me.InitClass
        End Sub
        
        Friend Sub New(ByVal table As DataTable)
            MyBase.New(table.TableName)
            If (table.CaseSensitive <> table.DataSet.CaseSensitive) Then
                Me.CaseSensitive = table.CaseSensitive
            End If
            If (table.Locale.ToString <> table.DataSet.Locale.ToString) Then
                Me.Locale = table.Locale
            End If
            If (table.Namespace <> table.DataSet.Namespace) Then
                Me.Namespace = table.Namespace
            End If
            Me.Prefix = table.Prefix
            Me.MinimumCapacity = table.MinimumCapacity
            Me.DisplayExpression = table.DisplayExpression
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property linkColumn As DataColumn
            Get
                Return Me.columnlink
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As ViewItemsRow
            Get
                Return CType(Me.Rows(index),ViewItemsRow)
            End Get
        End Property
        
        Public Event ViewItemsRowChanged As ViewItemsRowChangeEventHandler
        
        Public Event ViewItemsRowChanging As ViewItemsRowChangeEventHandler
        
        Public Event ViewItemsRowDeleted As ViewItemsRowChangeEventHandler
        
        Public Event ViewItemsRowDeleting As ViewItemsRowChangeEventHandler
        
        Public Overloads Sub AddViewItemsRow(ByVal row As ViewItemsRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddViewItemsRow(ByVal link As String) As ViewItemsRow
            Dim rowViewItemsRow As ViewItemsRow = CType(Me.NewRow,ViewItemsRow)
            rowViewItemsRow.ItemArray = New Object() {link}
            Me.Rows.Add(rowViewItemsRow)
            Return rowViewItemsRow
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Public Overrides Function Clone() As DataTable
            Dim cln As ViewItemsDataTable = CType(MyBase.Clone,ViewItemsDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New ViewItemsDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnlink = Me.Columns("link")
        End Sub
        
        Private Sub InitClass()
            Me.columnlink = New DataColumn("link", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnlink)
        End Sub
        
        Public Function NewViewItemsRow() As ViewItemsRow
            Return CType(Me.NewRow,ViewItemsRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New ViewItemsRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(ViewItemsRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.ViewItemsRowChangedEvent) Is Nothing) Then
                RaiseEvent ViewItemsRowChanged(Me, New ViewItemsRowChangeEvent(CType(e.Row,ViewItemsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.ViewItemsRowChangingEvent) Is Nothing) Then
                RaiseEvent ViewItemsRowChanging(Me, New ViewItemsRowChangeEvent(CType(e.Row,ViewItemsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.ViewItemsRowDeletedEvent) Is Nothing) Then
                RaiseEvent ViewItemsRowDeleted(Me, New ViewItemsRowChangeEvent(CType(e.Row,ViewItemsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.ViewItemsRowDeletingEvent) Is Nothing) Then
                RaiseEvent ViewItemsRowDeleting(Me, New ViewItemsRowChangeEvent(CType(e.Row,ViewItemsRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveViewItemsRow(ByVal row As ViewItemsRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class ViewItemsRow
        Inherits DataRow
        
        Private tableViewItems As ViewItemsDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableViewItems = CType(Me.Table,ViewItemsDataTable)
        End Sub
        
        Public Property link As String
            Get
                Try 
                    Return CType(Me(Me.tableViewItems.linkColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableViewItems.linkColumn) = value
            End Set
        End Property
        
        Public Function IslinkNull() As Boolean
            Return Me.IsNull(Me.tableViewItems.linkColumn)
        End Function
        
        Public Sub SetlinkNull()
            Me(Me.tableViewItems.linkColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class ViewItemsRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As ViewItemsRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As ViewItemsRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As ViewItemsRow
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class rsssitesDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnid As DataColumn
        
        Private columnSiteName As DataColumn
        
        Private columnView As DataColumn
        
        Private columnXMLURL As DataColumn
        
        Private columnDescription As DataColumn
        
        Friend Sub New()
            MyBase.New("rsssites")
            Me.InitClass
        End Sub
        
        Friend Sub New(ByVal table As DataTable)
            MyBase.New(table.TableName)
            If (table.CaseSensitive <> table.DataSet.CaseSensitive) Then
                Me.CaseSensitive = table.CaseSensitive
            End If
            If (table.Locale.ToString <> table.DataSet.Locale.ToString) Then
                Me.Locale = table.Locale
            End If
            If (table.Namespace <> table.DataSet.Namespace) Then
                Me.Namespace = table.Namespace
            End If
            Me.Prefix = table.Prefix
            Me.MinimumCapacity = table.MinimumCapacity
            Me.DisplayExpression = table.DisplayExpression
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property idColumn As DataColumn
            Get
                Return Me.columnid
            End Get
        End Property
        
        Friend ReadOnly Property SiteNameColumn As DataColumn
            Get
                Return Me.columnSiteName
            End Get
        End Property
        
        Friend ReadOnly Property ViewColumn As DataColumn
            Get
                Return Me.columnView
            End Get
        End Property
        
        Friend ReadOnly Property XMLURLColumn As DataColumn
            Get
                Return Me.columnXMLURL
            End Get
        End Property
        
        Friend ReadOnly Property DescriptionColumn As DataColumn
            Get
                Return Me.columnDescription
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As rsssitesRow
            Get
                Return CType(Me.Rows(index),rsssitesRow)
            End Get
        End Property
        
        Public Event rsssitesRowChanged As rsssitesRowChangeEventHandler
        
        Public Event rsssitesRowChanging As rsssitesRowChangeEventHandler
        
        Public Event rsssitesRowDeleted As rsssitesRowChangeEventHandler
        
        Public Event rsssitesRowDeleting As rsssitesRowChangeEventHandler
        
        Public Overloads Sub AddrsssitesRow(ByVal row As rsssitesRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddrsssitesRow(ByVal SiteName As String, ByVal View As Boolean, ByVal XMLURL As String, ByVal Description As String) As rsssitesRow
            Dim rowrsssitesRow As rsssitesRow = CType(Me.NewRow,rsssitesRow)
            rowrsssitesRow.ItemArray = New Object() {Nothing, SiteName, View, XMLURL, Description}
            Me.Rows.Add(rowrsssitesRow)
            Return rowrsssitesRow
        End Function
        
        Public Function FindByid(ByVal id As Integer) As rsssitesRow
            Return CType(Me.Rows.Find(New Object() {id}),rsssitesRow)
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Public Overrides Function Clone() As DataTable
            Dim cln As rsssitesDataTable = CType(MyBase.Clone,rsssitesDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New rsssitesDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnid = Me.Columns("id")
            Me.columnSiteName = Me.Columns("SiteName")
            Me.columnView = Me.Columns("View")
            Me.columnXMLURL = Me.Columns("XMLURL")
            Me.columnDescription = Me.Columns("Description")
        End Sub
        
        Private Sub InitClass()
            Me.columnid = New DataColumn("id", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnid)
            Me.columnSiteName = New DataColumn("SiteName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSiteName)
            Me.columnView = New DataColumn("View", GetType(System.Boolean), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnView)
            Me.columnXMLURL = New DataColumn("XMLURL", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnXMLURL)
            Me.columnDescription = New DataColumn("Description", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnDescription)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnid}, true))
            Me.columnid.AutoIncrement = true
            Me.columnid.AllowDBNull = false
            Me.columnid.Unique = true
        End Sub
        
        Public Function NewrsssitesRow() As rsssitesRow
            Return CType(Me.NewRow,rsssitesRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New rsssitesRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(rsssitesRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.rsssitesRowChangedEvent) Is Nothing) Then
                RaiseEvent rsssitesRowChanged(Me, New rsssitesRowChangeEvent(CType(e.Row,rsssitesRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.rsssitesRowChangingEvent) Is Nothing) Then
                RaiseEvent rsssitesRowChanging(Me, New rsssitesRowChangeEvent(CType(e.Row,rsssitesRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.rsssitesRowDeletedEvent) Is Nothing) Then
                RaiseEvent rsssitesRowDeleted(Me, New rsssitesRowChangeEvent(CType(e.Row,rsssitesRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.rsssitesRowDeletingEvent) Is Nothing) Then
                RaiseEvent rsssitesRowDeleting(Me, New rsssitesRowChangeEvent(CType(e.Row,rsssitesRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoversssitesRow(ByVal row As rsssitesRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class rsssitesRow
        Inherits DataRow
        
        Private tablersssites As rsssitesDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tablersssites = CType(Me.Table,rsssitesDataTable)
        End Sub
        
        Public Property id As Integer
            Get
                Return CType(Me(Me.tablersssites.idColumn),Integer)
            End Get
            Set
                Me(Me.tablersssites.idColumn) = value
            End Set
        End Property
        
        Public Property SiteName As String
            Get
                Try 
                    Return CType(Me(Me.tablersssites.SiteNameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tablersssites.SiteNameColumn) = value
            End Set
        End Property
        
        Public Property View As Boolean
            Get
                Try 
                    Return CType(Me(Me.tablersssites.ViewColumn),Boolean)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tablersssites.ViewColumn) = value
            End Set
        End Property
        
        Public Property XMLURL As String
            Get
                Try 
                    Return CType(Me(Me.tablersssites.XMLURLColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tablersssites.XMLURLColumn) = value
            End Set
        End Property
        
        Public Property Description As String
            Get
                Try 
                    Return CType(Me(Me.tablersssites.DescriptionColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tablersssites.DescriptionColumn) = value
            End Set
        End Property
        
        Public Function IsSiteNameNull() As Boolean
            Return Me.IsNull(Me.tablersssites.SiteNameColumn)
        End Function
        
        Public Sub SetSiteNameNull()
            Me(Me.tablersssites.SiteNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsViewNull() As Boolean
            Return Me.IsNull(Me.tablersssites.ViewColumn)
        End Function
        
        Public Sub SetViewNull()
            Me(Me.tablersssites.ViewColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsXMLURLNull() As Boolean
            Return Me.IsNull(Me.tablersssites.XMLURLColumn)
        End Function
        
        Public Sub SetXMLURLNull()
            Me(Me.tablersssites.XMLURLColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsDescriptionNull() As Boolean
            Return Me.IsNull(Me.tablersssites.DescriptionColumn)
        End Function
        
        Public Sub SetDescriptionNull()
            Me(Me.tablersssites.DescriptionColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class rsssitesRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As rsssitesRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As rsssitesRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As rsssitesRow
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
End Class

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About the Author

SathiMahesh

United States United States
I am a Professor at the University of New Orleans.

My interests include business applications development, e-business, and cybersociety



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