protected void Submit_Click(object sender, EventArgs e)
        {
            TicketViewModel vmModel = new TicketViewModel();

            vmModel.Number = Convert.ToInt32(Number.Text);
            vmModel.Price  = Convert.ToInt32(Price.Text);

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