public static bool AssignTL(string tripID, string tl)
        {
            //
            bool assigned = false;
            ZoneClosingServiceClient client = new ZoneClosingServiceClient();

            try {
                assigned = client.AssignTL(int.Parse(Program.TerminalCode), tripID, tl);
                client.Close();
                RefreshTrips();
            }
            catch (TimeoutException te) { client.Abort(); throw new ApplicationException(te.Message); }
            catch (FaultException <ShipScheduleFault> dfe) { client.Abort(); throw new ApplicationException(dfe.Detail.Message); }
            catch (FaultException fe) { client.Abort(); throw new ApplicationException(fe.Message); }
            catch (CommunicationException ce) { client.Abort(); throw new ApplicationException(ce.Message); }
            return(assigned);
        }