c# - Windows phone 8 CommunicationException 远程服务器返回错误 : NotFound

Question

我想问一个让我一直发疯的问题@_@我为 Windows Phone 8 制作了一个应用程序，它从 wcf 服务中检索数据。幸运的是，我的同事让我为此服务。但是，当我使用该服务时，出现了这个错误。

System.ServiceModel.CommunicationException was unhandled by user code
  HResult=-2146233087
  Message=The remote server returned an error: NotFound.
  Source=System.ServiceModel
  StackTrace:
       at System.ServiceModel.AsyncResult.End[TAsyncResult](IAsyncResult result)
       at System.ServiceModel.Channels.ServiceChannel.EndCall(String action, Object[] outs, IAsyncResult result)
       at System.ServiceModel.ClientBase`1.ChannelBase`1.EndInvoke(String methodName, Object[] args, IAsyncResult result)
       at NavFinance.NavFinData.NavcoreNavfinServiceClient.NavcoreNavfinServiceClientChannel.EndGetAll(IAsyncResult result)
       at NavFinance.NavFinData.NavcoreNavfinServiceClient.NavFinance.NavFinData.INavcoreNavfinService.EndGetAll(IAsyncResult result)
       at NavFinance.NavFinData.NavcoreNavfinServiceClient.OnEndGetAll(IAsyncResult result)
       at System.ServiceModel.ClientBase`1.OnAsyncCallCompleted(IAsyncResult result)
  InnerException: System.Net.WebException
       HResult=-2146233079
       Message=The remote server returned an error: NotFound.
       Source=System.Windows
       StackTrace:
            at System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)
            at System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
            at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)
       InnerException: System.Net.WebException
            HResult=-2146233079
            Message=The remote server returned an error: NotFound.
            Source=System.Windows
            StackTrace:
                 at System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)
                 at System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClasse.<EndGetResponse>b__d(Object sendState)
                 at System.Net.Browser.AsyncHelper.<>c__DisplayClass1.<BeginOnUI>b__0(Object sendState)
            InnerException:

四处搜索后，我找到了这篇好文章。 http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj684580(v=vs.105).aspx

但是，我读了它，但仍然不明白。为什么？因为我的服务是用 C# 类编写的，而不是作为 Web 服务编写的。所以我找不到 IIS 服务。

这是我生成数据的代码。

public PurchaseInvoiceMainPage()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(purchaseInvoice_Loaded);
        }

        private void purchaseInvoice_Loaded(object sender, RoutedEventArgs e)
        {
            NavcoreNavfinServiceClient client = new NavcoreNavfinServiceClient();
            client.GetAllCompleted += new EventHandler<GetAllCompletedEventArgs>(client_getAllPurchaseInvoice);
            client.GetAllAsync("509A7214-D3A9-47E7-9BB4-232E670ED650");
        }

        private void client_getAllPurchaseInvoice(object sender, GetAllCompletedEventArgs e)
        {
            if (e.Error == null)
            {
                purchaseDataList.ItemsSource = e.Result;
            }
        }

而且，这是返回结果的我的服务。

public System.Collections.ObjectModel.ObservableCollection<NavFinance.NavFinData.vwPurchaseInvoice> EndGetAll(System.IAsyncResult result) {
                object[] _args = new object[0];
                System.Collections.ObjectModel.ObservableCollection<NavFinance.NavFinData.vwPurchaseInvoice> _result = ((System.Collections.ObjectModel.ObservableCollection<NavFinance.NavFinData.vwPurchaseInvoice>)(base.EndInvoke("GetAll", _args, result)));
                return _result;
            }

我在这一行得到了异常。

System.Collections.ObjectModel.ObservableCollection<NavFinance.NavFinData.vwPurchaseInvoice> _result = ((System.Collections.ObjectModel.ObservableCollection<NavFinance.NavFinData.vwPurchaseInvoice>)(base.EndInvoke("GetAll", _args, result)));

我使用了很多我发现的技巧，从扩大最大字节等开始。它仍然不起作用。有人请帮助我。我真的很困惑TT_TT

这是我使用的服务。

http://dev.navcore.com/NavFinWebService/Navcore.Navfin.Service.NavcoreNavfinService.svc

大家的任何回答都会让我思考更多，请给出答案。

问候，布迪普拉塞蒂奥

Answer 1

此错误表明您的应用程序无法与该服务通信。您是否在电话/模拟器 Internet Explorer 中尝试服务 URL 以确保该 URL 可访问？