C# 使用虚拟属性时,WCF Rest GET不返回任何内容

C# 使用虚拟属性时,WCF Rest GET不返回任何内容,c#,wcf,entity-framework,C#,Wcf,Entity Framework,这是我第一次开发RESTWCF服务 这是我为获取数据库中的所有用户所做的: namespace MyCompanyWCFService { [ServiceContract] public interface IMyCompanyService { [WebGet(UriTemplate = "/users", BodyStyle=WebMessageBodyStyle.Bare, Respo

这是我第一次开发RESTWCF服务

这是我为获取数据库中的所有用户所做的:

namespace MyCompanyWCFService
{
    [ServiceContract]
    public interface IMyCompanyService
    {
        [WebGet(UriTemplate = "/users",
                BodyStyle=WebMessageBodyStyle.Bare,
                ResponseFormat=WebMessageFormat.Json)]
        [OperationContract]
        List<User> GetAllUsers();

        [OperationContract]
        [WebGet(ResponseFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.Bare)]
        MyClass DoWork();
    }
}
MyClass

namespace MyCompanyWCFService
{
    [DataContract]
    public class MyClass
    {
        [DataMember]
        public int Id { get; set; }
        [DataMember]
        public string Name { get; set; }

        public string IHaveNoDataMemberAttribute { get; set; }

        [DataMember]
        public string NoPublicGet { private get; set; }

        [DataMember]
        internal ushort InternalProperty { get; set; }
    }
}
web.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
    <section name="entityFramework"
             type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
             requirePermission="false" />
  </configSections>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
  </system.web>
  <system.serviceModel>
    <services>
      <service name="MyCompanyWCFService.MyCompanyService">
        <endpoint address="" 
                  contract="MyCompanyWCFService.IMyCompanyService"
                  behaviorConfiguration="restfulBehavior"
                  bindingConfiguration=""
                  binding="webHttpBinding" />
      </service>
    </services>
    <behaviors>
      <endpointBehaviors>
        <behavior name="restfulBehavior">
          <webHttp />
        </behavior>
      </endpointBehaviors>
      <serviceBehaviors>
        <behavior>
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="false" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
  </system.webServer>
  <entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="v11.0" />
      </parameters>
    </defaultConnectionFactory>
  </entityFramework>
  <connectionStrings>
    <add name="MyCompanyContext"
          providerName="System.Data.SqlClient"
          connectionString="Server=.\SQLEXPRESS;Database=MyCompany;Integrated Security=True;MultipleActiveResultSets=True"/>
  </connectionStrings>
</configuration>

但是,当我设置这个URI时,
http://localhost:7342/MyCompanyService.svc/users
,在我的网络浏览器上,我什么也得不到。我还用PostMan Chrome扩展测试了它,但没有得到任何结果

调试代码
context.Users.ToList()返回三个用户

但是,如果我这样做,
http://localhost:7342/MyCompanyService.svc/DoWork
,它可以完美地工作:

{“Id”:1,“InternalProperty”:155,“Name”:“Satchmo”,“NoPublicGet”:“Hello world!”}

问题在于
公共虚拟
属性。如果我删除
virtual
,它会工作,但我需要
virtual
延迟加载这些导航属性


如何解决此问题?

我已修复了执行此操作时出现的错误
context.Configuration.ProxyCreationEnabled=false此处:

    public List<User> GetAllUsers()
    {
        List<User> usersList = null;

        using (var context = new AdnLineContext())
        {
            context.Configuration.ProxyCreationEnabled = false;
            usersList = context.Users.ToList();
        }

        return usersList;
    }
公共列表GetAllUsers()
{
List usersList=null;
使用(var context=new AdnLineContext())
{
context.Configuration.ProxyCreationEnabled=false;
usersList=context.Users.ToList();
}
返回用户列表;
}

我已修复了执行此操作时出现的错误
context.Configuration.ProxyCreationEnabled=false此处:

    public List<User> GetAllUsers()
    {
        List<User> usersList = null;

        using (var context = new AdnLineContext())
        {
            context.Configuration.ProxyCreationEnabled = false;
            usersList = context.Users.ToList();
        }

        return usersList;
    }
公共列表GetAllUsers()
{
List usersList=null;
使用(var context=new AdnLineContext())
{
context.Configuration.ProxyCreationEnabled=false;
usersList=context.Users.ToList();
}
返回用户列表;
}
    public List<User> GetAllUsers()
    {
        List<User> usersList = null;

        using (var context = new AdnLineContext())
        {
            context.Configuration.ProxyCreationEnabled = false;
            usersList = context.Users.ToList();
        }

        return usersList;
    }