错误 CS0119：“ServiceClient”是一种类型，在给定的上下文中无效 [关闭]

Question

我收到错误 CS0119：'ServiceClient' 是一种类型，在我的项目中的给定上下文中无效。在我的项目中，我有一个网络参考，并且我收到了这个错误。详情如下。请帮助大家，因为我不明白如何解决这个问题。

代码

    private ServiceClient _client;
    private ServiceClient ProfileServiceClient
    {
        get
        {
            if (_client == null)
            {
                //Log.Trace("Initiating Profile client");

                var watch = Stopwatch.StartNew();
                ServiceClient _client = new ServiceClient ();
                watch.Stop();

                Log.Debug("Initiating Profile took " + watch.ElapsedMilliseconds + " miliseconds");
            }
            return _client;
         }
      }


      public AuthenticatedUser ResolveUser(string Id)
    {
        try
        {
            //Log.BusinessTask(string.Format("Trying to resolve '{0}' via Profile", vcnId));
            var temp = ServiceClient .getProfileUser(Id, Config.ProfileAppName);

            if (temp == null)
            {
                Log.BusinessTask(string.Format("No user found in profile with '{0}' as  ID", Id));
                var dummyUser = new AuthenticatedUser()
                {
                    Id = Id,
                    Email = string.Empty,
                    FirstName = Id,
                    LastName = string.Empty
                };

                dummyUser.Roles.Add("Viewer");

                Log.BusinessTask("Closing Profile client connection");
                ServiceClient .Dispose();

                return dummyUser;
            }

            Log.BusinessTask("Profile user found, mapping properties");
            var result = new AuthenticatedUser
            {
                Id = temp.userNr,
                Email = temp.email,
                FirstName = temp.firstName,
                LastName = temp.lastName
            };

            result.Roles.Add("Viewer");

            Log.BusinessTask("Profile user found, mapping roles and applications");
            var animatrix = ServiceClient .getTheAnimatrix(Id, Config.ProfileAppName, 0, null, null);

            if (animatrix != null)
            {
                foreach (var matrix in animatrix)
                {
                    if (matrix.authorisations != null)
                    {
                        foreach (var m in matrix.authorisations)
                        {
                            if (m.value.strValue == "Developer Documentation")
                            {
                                if (!result.Roles.Any(x => x.Equals("Developer", StringComparison.InvariantCultureIgnoreCase)))
                                    result.Roles.Add("Developer");
                            }

                            if (m.value.strValue == "IsIt Documentation")
                            {
                                if (!result.Roles.Any(x => x.Equals("IsIt", StringComparison.InvariantCultureIgnoreCase)))
                                    result.Roles.Add("IsIt");
                            }

                            if (m.characteristic == "Managed Application")
                            {
                                if (matrix.role.roleName.Contains("DEVELOPER"))
                                    result.Applications.Add("Developer" + "/" + m.value.strValue);
                                else
                                    result.Applications.Add("IsIt" + "/" + m.value.strValue);
                            }
                        }
                    }
                }

            }

            Log.BusinessTask("Closing Profile client connection");
            ServiceClient .Dispose();

            Log.BusinessTask("Returning User object");
            return result;
        }
        catch (Exception e)
        {
            Log.Error(string.Format("Couldn't reach the PROFILE auth webservice : {0}", e));
        }

        return new AuthenticatedUser { FirstName = "Viewer", Id = "none" };
    }

在 Reference.cs 文件中

         public ServiceClient () {
          this.Url = 
          global::ProxyComponent.Properties.Settings.Default.ProxyComponent_Services_ServiceClient _ServiceClient ;
          if ((this.IsLocalFileSystemWebService(this.Url) == true)) {
            this.UseDefaultCredentials = true;
            this.useDefaultCredentialsSetExplicitly = false;
          }
           else {
            this.useDefaultCredentialsSetExplicitly = true;
          }
        }

我在这一行 ServiceClient _client = new ServiceClient (); 中遇到错误。这个错误的任何解决方案或任何线索？在方法 AuthenticatedUser ResolveUser(string Id) line var temp = ServiceClient .getProfileUser(Id, Config.ProfileAppName) ServiceClient throws error like throws an exception of type 'System.TypeInitializationException' 。 InnerException {"对象引用未设置为对象的实例。"}

解决方案 好的，我找到了我的解决方案。我必须改变这一行

   var temp = ServiceClient .getProfileUser(Id, Config.ProfileAppName);

到这里

     _client = new ServiceClient();
     var temp = _client.getProfileUser(Id, Config.ProfileAppName);

Answer 1

看起来编译器将服务客户端与另一种类型混淆了。也许尝试使用带有完整命名空间的 ServiceClient？类似 FullProjectNamespace.ServiceClient _serviceClient = new...