protected void btnCancel_Click(object sender, EventArgs e) { int id = Convert.ToInt32(txtReschedule.Text); long number = Convert.ToInt64(Session["CardNumber"]); try { var res = b.CheckTicketID(id); if (res == false) { Response.Write("Invalid Ticket ID"); txtReschedule.Text = ""; } else { var cancelUpdate = b.CancelPayUpdate(id, number); if (cancelUpdate == false) { Response.Write("Could not Cancel Ticket!!"); txtReschedule.Text = ""; } else { Response.Write("50% Refunded!!"); } } } catch (Exception ex) { throw ex; } }