bulk insertion using c# asp.net

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ASP.NET

C#3.5

Good Morning friends

how to do an bulk insert in the oracle database using c# asp.net

thanking you
Sushil Dharmar

Posted 11-Oct-11 15:14pm

SushilDharmar

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Tejas Vaishnav · Answer 1 · 2011-10-11T18:54:00

C#

SqlCommand cmd = new SqlCommand();
SqlConnection cs = new SqlConnection("YOUR CONNECTION STRING");
List<string> a = new List<string>(); 
protected void insert()
{
    cs.Open();
    for (int i = 0; i < a.Count; i++)
    {
        cmd.Connection = cs;
        cmd.CommandType = CommandType.Text;
        cmd.CommandText = "INSERT INTO TABLENAME(NAME,PHONE) VALUES(@NAME,@PHONE)";
        cmd.Parameters.AddWithValue("@NAME", a[i]);
        cmd.Parameters.AddWithValue("@PHONE", a[i]);
        cmd.ExecuteNonQuery();
    }
    cs.Close();
}</string></string>

this is only example..
here "a" is list type but there is your bulk data its from datatable or array or any thing else from which you need to instert data.

kishorekke · Answer 2 · 2011-10-11T21:36:00

below code is usefull importing excel into database using bulk insert

C#

public static DataTable GetDataTableFromExcel(string SourceFilePath)
    {
        try
        {
            DataTable dtNew = new DataTable();
            DataSet ds = new DataSet();
            string ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
                                                                "Data Source=" + SourceFilePath + ";" +
                                                                "Extended Properties=Excel 8.0;";


            using (OleDbConnection cn = new OleDbConnection(ConnectionString))
            {
                cn.Open();

                DataTable dbSchema = cn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
                if (dbSchema == null || dbSchema.Rows.Count < 1)
                {
                    throw new Exception("Error: Could not determine the name of the first worksheet.");
                }
                for (int i = 0; i < dbSchema.Rows.Count; i = i + 2)
                {
                    string WorkSheetName = dbSchema.Rows[i]["TABLE_NAME"].ToString();

                    OleDbDataAdapter da = new OleDbDataAdapter("SELECT * FROM [" + WorkSheetName + "]", cn);
                    DataTable dt = new DataTable(WorkSheetName);
                    da.Fill(dt);
                    da.Fill(ds);
                }
                dtNew = ds.Tables[0];
                return dtNew;
            }
        }
        catch (Exception ex)
        {           
            throw new Exception(ex.Message.ToString());
        }
    }






protected void btnImport_Click(object sender, EventArgs e)
    {
        OdbcConnection connection;
        SqlBulkCopy bulkCopy;
            fn1 = System.IO.Path.GetFileName(fyle.PostedFile.FileName);
            if ((fyle.PostedFile != null) && (fyle.PostedFile.ContentLength > 0))
            {
                string fn = System.IO.Path.GetFileName(fyle.PostedFile.FileName);
                string[] ext = fn.Split(new char[] { '.' });
                int count = ext.Length;
                if (ext[count-1].ToString() == "xls")
                {
                    fn2 = ext[0].ToString().Trim() + "-" + String.Format("{0:ddMMyyyyHHmmss}", DateTime.Now) + "." + ext[count-1].ToString().Trim();
                    fn1 = System.IO.Path.GetFileName(fyle.PostedFile.FileName);
                    string SaveLocation = Server.MapPath("EmpWorkFromIChart") + "\\" + fn2;
                    path = SaveLocation;
                    fyle.PostedFile.SaveAs(SaveLocation);
                    DataTable dt = GetDataTableFromExcel(path);
                            using (SqlConnection con =new SqlConnection(ConfigurationSettings.AppSettings.Get("GisHRoneconn")))
                            {
                                con.Open();
                                using (SqlBulkCopy copy = new SqlBulkCopy(con))
                                {
                                    copy.ColumnMappings.Add(0, 0);
                                    copy.ColumnMappings.Add(1, 1);
                                    copy.ColumnMappings.Add(2, 2);
                                    copy.ColumnMappings.Add(3, 3);
                                    copy.ColumnMappings.Add(4, 4);
                                    copy.ColumnMappings.Add(5, 5);
                                    copy.ColumnMappings.Add(6, 6);
                                    copy.ColumnMappings.Add(7, 7);
                                    copy.ColumnMappings.Add(8, 8);
                                    copy.ColumnMappings.Add(9, 9);
                                    copy.ColumnMappings.Add(10, 10);
                                    copy.ColumnMappings.Add(11, 11);
                                    copy.ColumnMappings.Add(12, 12);
                                    copy.ColumnMappings.Add(13, 13);
                                    copy.ColumnMappings.Add(14, 14);
                                    copy.ColumnMappings.Add(15, 15);
                                    copy.ColumnMappings.Add(16, 16);
                                    copy.ColumnMappings.Add(17, 17);
                                    copy.ColumnMappings.Add(18, 18);
                                    copy.DestinationTableName = "<table name="">";
                                    copy.WriteToServer(dt);
                                }
                            }
                       }
              }
}</table>

bulk insertion using c# asp.net

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