Windows Phone 8 -Post Json 'in request body' give an exception - json

Question

Windows Phone 8 -Post Json 'in request body' give an exception but, it is working on 'windows Console app'. Why could it be?
Exception:
AsyncWaitHandle '((System.Net.Browser.OHWRAsyncResult)asynchronousResult).AsyncWaitHandle' threw an
exception of type 'System.NotSupportedException' System.Threading.WaitHandle {System.NotSupportedException}
My Code is hear.
private void Button_Click_1(object sender, RoutedEventArgs e)
{
byte[] encodedPassword = System.Text.Encoding.UTF8.GetBytes("Key" + ":" + "Value");
string encodedAuto = System.Convert.ToBase64String(encodedPassword);
// Create a new HttpWebRequest object.
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://uri");
// Set the Method property to 'POST' to post data to the URI.
request.Method = "POST";
request.ContentType = "application/json; charset=utf-8";
request.Accept = "application/json";
request.Headers["Authorization"] = "Basic " + encodedAuto;
request.AllowAutoRedirect = true;
request.AllowWriteStreamBuffering = true;
// start the asynchronous operation
request.BeginGetRequestStream(new AsyncCallback(GetRequestStreamCallback), request);
}
private static void GetRequestStreamCallback(IAsyncResult asynchronousResult)
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
User user = new User();
user.password = password;
user.username = username;
// End the operation
Stream postStream = request.EndGetRequestStream(asynchronousResult)
/* String input = "{" +
"\"username\" : " + "\"" + username + "\"" + "," +
" \"password\" : " + "\"" + password + "\"" +
"}"; */
var input = JsonConvert.SerializeObject(user);
// Convert the string into a byte array.
byte[] byteArray = Encoding.UTF8.GetBytes(input);
// Write to the request stream.
postStream.Write(byteArray, 0, byteArray.Length);
postStream.Flush();
postStream.Close();
// Start the asynchronous operation to get the response
request.BeginGetResponse(new AsyncCallback(GetResponseCallback), request);
}
private static void GetResponseCallback(IAsyncResult asynchronousResult)
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
// End the operation
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
Stream streamResponse = response.GetResponseStream();
StreamReader streamRead = new StreamReader(streamResponse);
string responseString = streamRead.ReadToEnd();
// Close the stream object
streamResponse.Close();
streamRead.Close();
// Release the HttpWebResponse
response.Close();
allDone.Set();
}
Thanks!

Answer 1

I figured out the problem with a real device. The problem is the 'https' connections. Windows Phone Emulator gives exception with 'https' links for all request methods.

Answer 2

NotSupportedException means the Windows Phone SDK does not implement that functionality. The exception message will give you more information about what specifically isn't implemented.
My recommendation in any case would be to use System.Net.Http library which reduces this code to about three lines.
http://blogs.msdn.com/b/bclteam/archive/2013/02/18/portable-httpclient-for-net-framework-and-windows-phone.aspx