Answer by Sergey for System.Net.WebException HTTP status code

You can try this code to get HTTP status code from WebException. It works in Silverlight too because SL does not have WebExceptionStatus.ProtocolError defined.

HttpStatusCode GetHttpStatusCode(WebException we){    if (we.Response is HttpWebResponse)    {        HttpWebResponse response = (HttpWebResponse)we.Response;        return response.StatusCode;    }    return null;}