public bool DeleteBooking(string BookingID)
 {
     try
     {
         HotelManagementDataContext db = new HotelManagementDataContext();
         db.sp_DeleteBooking(Convert.ToInt32(BookingID));
         db.Bookings.Context.SubmitChanges();
         return(true);
     }
     catch
     {
         return(false);
     }
 }