protected void Submit_Click(object sender, EventArgs e)
        {
            SeatViewModel seatViewModel = new SeatViewModel();

            seatViewModel.SeatNumber = Convert.ToInt32(SeatNumber.Text);
            seatViewModel.SeatSide   = SeatSide.Text;

            if (HiddenField1.Value != "")
            {
                seatViewModel.ID = Convert.ToInt32(HiddenField1.Value);
            }
            seatViewModel = iSeatService.AddAndUpdate(seatViewModel);
            if (seatViewModel.ID > 0)
            {
                Response.Write("<script>alert('Record saved successfully')</script>");
                Response.Redirect("Ticket.aspx");
            }
            bindGrid();
        }