我不知道。我正在尝试从我为 Windows Phone 构建的应用程序上的 REST 服务获取 XML。我总是在以下行遇到异常:
HttpWebResponse response = request.EndGetResponse(ar) as HttpWebResponse;
我有以下设置(忽略错误的网址,这只是一个示例..)
HttpWebRequest request = WebRequest.Create("https://domain.chargify.com/customers.xml") as HttpWebRequest;
NetworkCredential credentials = new NetworkCredential("appkeyhere", "password");
request.Credentials = credentials;
request.Method = "GET";
request.ContentType = "text/xml";
request.BeginGetResponse(new AsyncCallback(SomeCallback), request);
...
private void SomeCallback(IAsyncResult ar) {
HttpWebRequest request = ar.AsyncState as HttpWebRequest;
HttpWebResponse response = request.EndGetResponse(ar) as HttpWebResponse;
StreamReader reader = new StreamReader(response.GetResponseStream());
XElement xmlResult = XElement.Parse(reader.ReadToEnd());
...
}
例外情况如下:
System.Net.ProtocolViolationException was unhandled
Message=ProtocolViolationException
StackTrace:
at System.Net.Browser.ClientHttpWebRequest.PrepareAndSendRequest(String method, Uri requestUri, Stream requestBodyStream, WebHeaderCollection headerCollection, CookieContainer cookieContainer)
at System.Net.Browser.ClientHttpWebRequest.BeginGetResponseImplementation()
at System.Net.Browser.ClientHttpWebRequest.InternalBeginGetResponse(AsyncCallback callback, Object state)
at System.Net.Browser.AsyncHelper.BeginOnUI(BeginMethod beginMethod, AsyncCallback callback, Object state)
at System.Net.Browser.ClientHttpWebRequest.BeginGetResponse(AsyncCallback callback, Object state)
at ChargifyWPA.MainPage.button1_Click(Object sender, RoutedEventArgs e)
at System.Windows.Controls.Primitives.ButtonBase.OnClick()
at System.Windows.Controls.Button.OnClick()
at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)
有人有想法么?它是https,而不是http ..是导致问题的原因吗?谢谢。