Tutorial Cara Penggunaan BeginTransaction, Commit, Rollback di VB.NET

Sebenarnya ini merupakan kelanjutan dari Bagian 1 dan 2, yaitu cara menggunakan BeginTrans, CommitTrans, RollbackTrans. Sekarang saya akan share bagaimana pengggunaannya di vbnet, langsung saja ya ini dia contoh sintak penyimpanan data :

    Private Sub Cmd_Save_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Cmd_Save.Click
        On Error GoTo Salah
        Dim IsConError As Boolean
        Dim conTransaction As SqlClient.SqlTransaction
        conTransaction = con.BeginTransaction
        IsConError = True
        Dim cmd As New SqlClient.SqlCommand("INSERT INTO TMASTER (ID,NAME) VALUES ('" & TxtID.Text & "', '" & TxtName.Text & "'", con)
        cmd.ExecuteNonQuery()
        conTransaction.Commit()
        IsConError = False
        MessageBox.Show("Data Tersimpan !", "Info")
        Exit Sub
Salah:
        Select Case IsConError
            Case True
                conTransaction.Rollback()
            Case Else
                MessageBox.Show(Err.Number & " : " & Err.Description, "Test Error Handler")
        End Select
    End Sub

Tags:
error incorrect syntax near ' ', error incorrect format unknown tag, error cannot insert duplicate key row in object with unique index, error cannot insert the value null into column id table, error violation of primary key constraint cannot insert duplicate key in object, error could not find output table, error No transaction is active, error Object required