public JsonResult AutoGenTktNo()
        {
            try
            {
                DataTable     dt            = new DataTable();
                BlUserTickets blUserTickets = new BlUserTickets();
                blUserTickets.UserCode   = Convert.ToInt64(Session["ID_Agent"]);
                blUserTickets.FK_Company = Convert.ToInt64(Session["ID_Company"]);

                dt = blUserTickets.AutoGenTktNo();
                return(Json(Converttojson(dt), JsonRequestBehavior.AllowGet));
            }
            catch (Exception ex)
            {
                return(Json(ex));
            }
        }