public void CancelReservation(PreorderTable table)
 {
     try
     {
         //save record to database
         ReservationDao.DeleteReservationTable(table.Id);
     }
     catch (HCSMSException ex)
     {
         raiseError(ex);
         throw new FaultException <HCSMSException>(ex);
     }
     catch (Exception ex)
     {
         raiseError(ex);
     }
 }