public int Add_TicketsDAL(Ticket t)
 {
     try
     {
         using (var orr = new Online_Railway_reservation_systemEntities())
         {
             orr.Configuration.ProxyCreationEnabled = false;
             orr.Add_Tickets(t.PNR,t.Passenger_type,t.Status,t.Train_ID,t.Departure_Date,t.Departure_Time,t.Coach_Type,t.Price);
             return 1;
         }
     }
     catch (Exception)
     {
         return 0;
     }
 }