public static MethodResponseErrorCode UpdateCreditCard(CreditCard creditcard) { MethodResponseErrorCode response = null; // Update the database. TradingSupportClient tradingSupportClient = new TradingSupportClient(Guardian.Properties.Settings.Default.TradingSupportEndpoint); try { lock (DataModel.SyncRoot) { CreditCardRow row = DataModel.CreditCard.CreditCardKey.Find(creditcard.RowId); if (TradingSupportWebService.ColumnChanged(row, creditcard)) { response = tradingSupportClient.UpdateCreditCard(new CreditCard[] { creditcard }); } else { response = null; } } } catch (Exception exception) { // Any issues trying to communicate to the server are logged. EventLog.Error("{0}, {1}", exception.Message, exception.StackTrace); } finally { if (tradingSupportClient != null && tradingSupportClient.State == CommunicationState.Opened) { tradingSupportClient.Close(); } } return(response); }