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PO.Net 4.0 WCF Service failing when passing parameters
 

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    <p>I am trying to test a WCF service using the basichttpbinding endpoint from the WCF test client. I can test methods that I don't pass parameters to with no issue, but when I need to pass a parameter I get the following error:</p> <blockquote> <p>Failed to invoke the service. Possible causes: The service is offline or inaccessible; the client-side configuration does not match the proxy; the existing proxy is invalid. Refer to the stack trace for more detail. You can try to recover by starting a new proxy, restoring to default configuration, or refreshing the service.</p> <p>An error occurred while executing the command definition. See the inner exception for details.</p> <p>Server stack trace: at System.ServiceModel.Channels.ServiceChannel.ThrowIfFaultUnderstood(Message reply, MessageFault fault, String action, MessageVersion version, FaultConverter faultConverter) at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc&amp; rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)</p> <p>Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&amp; msgData, Int32 type) at IErouter.GetClientSearch(String surname, String forename, String street, String postcode) at ErouterClient.GetClientSearch(String surname, String forename, String street, String postcode)</p> </blockquote> <p>Due to the fact I can make calls to parameterless methods this error makes no sense to me.</p> <pre><code>[ServiceContract] public interface IErouter { #region Client Search [OperationContract] SelectClientSearch_Result[] GetClientSearch( string surname, string forename, string street, string postcode); #endregion #region Changes [OperationContract] ChangeForBlackBerry[] GetClientChanges(string blackberryPin); [OperationContract] bool AcceptChange(int changeId, string blackberryPin); [OperationContract] bool AcknowledgeChange(int changeId, string blackberryPin); [OperationContract] ChangeForBlackBerry[] GetManagerChangesForShiftType(string blackberryPin, string date, int shiftTypeId); [OperationContract] ClientDetailChangeViewModel GetClientDetailChange(int changeId); #endregion #region Client Details [OperationContract] ClientDetailViewModel GetClientDetails(int clientId); [OperationContract] SelectUserLevel_Result GetUserLevel(string blackberryPin); #endregion #region Useful Contacts [OperationContract] SelectAdminCentreTelNo_Result[] GetAdminCentreTelNos(); [OperationContract] string GetDutyEmail(); [OperationContract] SelectDutyManager_Result[] GetDutyManagerTelNos(); [OperationContract] string GetGhaHandyTelNo(); [OperationContract] SelectHospitalNos_Result[] GetHospitalTelNos(); [OperationContract] string GetICTTelNo(); [OperationContract] string GetMAHMobileTelNo(); [OperationContract] SelectMyManagerNo_Result[] GetMyManagerTelNo(string blackberryPin); [OperationContract] string GetNHSDirectTelNo(); [OperationContract] string GetOOHEmail(); [OperationContract] string GetOOHTelNo(); [OperationContract] string GetOperationsEmail(); [OperationContract] string GetOperationsTelNo(); [OperationContract] string GetOtherHandyPersonTelNo(); [OperationContract] SelectSWTelNos_Result[] GetSWTelNo(); #endregion #region Gaurdian 24 Visit Monitoring [OperationContract] string StartVisitMonitoring(int clientId, int activityDuration, string activityText, string blackberryPin); [OperationContract] string StopVisitMonitoring(int clientId, string activityId, string blackberryPin); #endregion } </code></pre>
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    1. COCan you post your service & data contracts?
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    2. COAh, I didn't catch this before, but I see "An error occurred while executing the command definition", do you happen to be using the entity framework?
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    3. COAnd what is the inner exception? did you set [DataContract] attribute on your data classes (ClientDetailViewModel and other)
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