public void FillGrid() { UsersHandler usersHandler = new UsersHandler(); usersHandler.DoFillGridAction(); DataTable gridData = usersHandler.dt; MessageCollection.copyFrom(usersHandler.MessageCollection); if (MessageCollection.isErrorOccured) { MessageCollection.PublishLog(); lbl_err.Text = MessageCollection.Messages[MessageCollection.Messages.Count - 1].ErrorMessage; lbl_err.Visible = true; } gridView.DataSource = gridData; gridView.DataBind(); }