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Use SQLBulkCopy Method To Transfer Data ...... This Is Use To Hundred Thousand Data In Several Seco

by Gehan Fernando. (13 Submissions)
Category: Databases/Data Access/DAO/ADO
Compatability: VB.NET
Difficulty: Unknown Difficulty
Originally Published: Wed 26th September 2007
Date Added: Mon 8th February 2021
Rating: (1 Votes)

Use SQLBulkCopy Method To Transfer Data ...... This Is Use To Hundred Thousand Data In Several Seconds. With Progress Feature.

API Declarations


.SqlClient

Rate Use SQLBulkCopy Method To Transfer Data ...... This Is Use To Hundred Thousand Data In Several Seco




    Private Rcount As Long = 0

    Private Sub ButtonBulkCopy_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonBulkCopy.Click

        Dim Scon As New SqlConnection("Data Source=MYPC;Initial Catalog=MyTest;Integrated Security=True")
        Scon.Open()

        Dim Scom As New SqlCommand("SELECT COUNT(*) FROM BulkData", Scon)
        Rcount = Convert.ToInt32(Scom.ExecuteScalar())

        LabelCounting.Text = "Starting Row Count :- " & Rcount
        LabelCounting.Refresh()

        With ProgressBarSQL
            .Minimum = 0
            .Maximum = Rcount
            .Value = 0
        End With

        Scom.Cancel() : Scom.Dispose()
        Scom = New SqlCommand("SELECT ItemNo,BulkItemName,BulkTime FROM BulkData ORDER BY ItemNo", Scon)
        Dim Rdr As SqlDataReader = Scom.ExecuteReader()

        Dim BulkCopy As New SqlBulkCopy("Data Source=MYPC;Initial Catalog=MyTest;Integrated Security=True")
        BulkCopy.DestinationTableName = "BackupBulkData"
        AddHandler BulkCopy.SqlRowsCopied, AddressOf OnSQLRowCopied
        BulkCopy.NotifyAfter = 50

        Try
            BulkCopy.WriteToServer(Rdr)
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            Rdr.Close()
        End Try

    End Sub

    Private Sub OnSQLRowCopied(ByVal sender As Object, ByVal e As SqlRowsCopiedEventArgs)

        LabelCounting.Text = "Copied Data So Far :- " & e.RowsCopied
        LabelCounting.Refresh()

        ProgressBarSQL.Value = e.RowsCopied

    End Sub

End Class

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