Protected Overrides Sub OnTableNewRow(ByVal e As _
  System.Data.DataTableNewRowEventArgs)
			Try
				If e.Row.IsNull("UserId") OrElse e.Row("UserId").Equals(Guid.Empty) Then
					e.Row("UserId") = Guid.NewGuid
				End If
 
			Catch ex As Exception
				Trace.WriteLine(ex.ToString)
			End Try
			MyBase.OnTableNewRow(e)
		End Sub

			protected override void OnTableNewRow(System.Data.DataTableNewRowEventArgs e)
			{
				Trace.WriteLine("OnNewTableRow");
				try
				{
					if (e.Row.IsNull("UserId") || e.Row["UserId"].Equals(Guid.Empty))
					{
						e.Row["UserId"] = Guid.NewGuid();
					}
 
				}
				catch (Exception ex)
				{
					Trace.WriteLine(ex.ToString());
				}
				base.OnTableNewRow(e);
			}