WCF Rest服務被稱爲兩次

我的WCF Rest服務調用兩次我不知道確切的原因。當用客戶端應用程序進行翻譯時，它會被調用兩次。任何人都可以指出我哪裏出了問題......WCF Rest服務被稱爲兩次

服務宣言：

[ServiceContract] 
     public interface IVoteCountService 
     { 
       [OperationContract] 
      [WebGet(RequestFormat = WebMessageFormat.Json, ResponseFormat =     WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.Bare, 
       UriTemplate = "/GetCandidate")] 
      CandisteListResponse CandidateList(); 
} 

[DataContract] 
    public class CandisteListResponse 
    { 
     public CandidateList CandidateList { get;set;} 
    }

服務定義：

public CandisteListResponse CandidateList() 
     { 
      CandidateList objVoterList = new CandidateList(); 
      objVoterList = CandidateListDataService.GetCandidateList(); 

      if (objVoterList.Count > 0) 
      { 

       return new CandisteListResponse { CandidateList = objVoterList }; 
      } 
      else 
      { 

       return new CandisteListResponse { CandidateList = objVoterList }; 
      } 
     }

CandidateListDataService.cs：

public class CandidateListDataService 
    { 
     public static CandidateList GetCandidateList() 
     { 
      CandidateList obj = new CandidateList(); 
      using (SqlConnection MyConnection = new SqlConnection(SqlServerDataSource.GetConnectionString())) 
       try 
       { 
        if (ConfigurationManager.AppSettings["SelectDB"] == "SQLServer") 
        { 
         { 
          SqlCommand MyCommand = new SqlCommand("usp_service_get_candidate", MyConnection); 
          MyCommand.CommandType = CommandType.StoredProcedure; 
          MyCommand.CommandTimeout = 56000; 

          MyConnection.Open(); 

          using (SqlDataReader MyReader = MyCommand.ExecuteReader()) 
          { 

           while (MyReader.Read()) 
           { 
            obj.Add(FillVoterInformation(MyReader)); 


           } 

           MyReader.Close(); 
           MyReader.Dispose(); 
          } 

         } 
        } 

       } 
       catch (Exception ex) 
       { 
        MyConnection.Dispose(); 

       } 
       finally 
       { 
        MyConnection.Dispose(); 

       } 
      return obj; 

     } 


     private static Candidate FillVoterInformation(SqlDataReader MyDataRecord) 
     { 
      Candidate MyVoterlist = new Candidate(); 

      try 
      { 
       MyVoterlist.CODE = Convert.ToString(MyDataRecord["CODE"]); 
       MyVoterlist.CNAME = Convert.ToString(MyDataRecord["CNAME"]); 
       MyVoterlist.SH_NAM = Convert.ToString(MyDataRecord["SH_NAM"]); 

       MyVoterlist.TV = (MyDataRecord["TV"] == DBNull.Value ? Convert.ToInt32(0) : Convert.ToInt32(MyDataRecord["TV"])); 

       MyVoterlist.TVCNT = (MyDataRecord["TVCNT"] == DBNull.Value ? Convert.ToInt32(0) : Convert.ToInt32(MyDataRecord["TVCNT"])); 
       MyVoterlist.ROW_NO = (MyDataRecord["ROW_NO"] == DBNull.Value ? Convert.ToInt32(0) : Convert.ToInt32(MyDataRecord["ROW_NO"])); 

      } 
      catch (Exception ex) 
      { 
       throw ex; 

      } 
      return MyVoterlist; 

     } 


    }

Web配置：

<system.serviceModel> 
    <bindings> 
     <webHttpBinding> 
     <binding name="streamWebHttpbinding" transferMode="Streamed" maxReceivedMessageSize="1000000000000" receiveTimeout="01:00:00" sendTimeout="01:00:00" /> 
     </webHttpBinding> 

    </bindings> 
    <services> 
     <service name="VoteCountService.VoteCountWCFService" behaviorConfiguration="ServiceBehaviour"> 
     <endpoint address ="" binding="webHttpBinding" contract="VoteCountService.IVoteCountService" behaviorConfiguration="web" bindingConfiguration="streamWebHttpbinding" > 
     </endpoint> 
     </service> 
     </services> 
    <behaviors> 
     <serviceBehaviors> 
     <behavior name="ServiceBehaviour"> 
      <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment --> 
      <serviceMetadata httpGetEnabled="true"/> 
      <!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information --> 
      <serviceDebug includeExceptionDetailInFaults="true"/> 
     </behavior> 
     </serviceBehaviors> 
     <endpointBehaviors> 
     <behavior name="web"> 
      <webHttp/> 
      <dataContractSerializer maxItemsInObjectGraph="10000000"/> 
     </behavior> 
     </endpointBehaviors> 
    </behaviors> 
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> 
    </system.serviceModel>

在此先感謝

維傑

來源

2012-11-24 VijayMathew

在我的應用程序使用了Dataetime轉換爲遵循

private static Voter FillVoterInformation(SqlDataReader MyDataRecord) 
      { 
       Voter MyVoterlist = new Voter(); 

       try 
       { 
        MyVoterlist.VOTERDOB = (MyDataRecord["VOTERDOB"] == DBNull.Value? Convert.ToDateTime(null): Convert.ToDateTime(MyDataRecord["VOTERDOB"])); 
    } 
    catch (Exception ex) 
       { 
        throw ex; 

       } 
       return MyVoterlist; 

      } 

When I had analyzed TraceListner I Found that the DateTime Conversion Throws the following following Exception. 

"DateTime values that are greater than DateTime.MaxValue or smaller than DateTime.MinValue when converted to UTC cannot be serialized to JSON." 

I have Solved this issue by converting DateTime to UTC Time Following is the Code 

item.VOTERDOB = DateTime.SpecifyKind(item.VOTERDOB, DateTimeKind.Utc);

感謝

維傑

來源

2012-11-26 12:48:29 VijayMathew

WCF Rest服務被稱爲兩次

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