Windows phone 7 submits a URL through Post to the server and obtains data from the server (for example, used during login)

HttpWebRequest myRequest = (HttpWebRequest) WebRequest.Create (UrlManager.Login ());
            myRequest.Method = "POST";
            myRequest.ContentType = "application / x-www-form-urlencoded";

            myRequest.BeginGetRequestStream (new AsyncCallback (GetRequestStreamCallback), myRequest);



private void GetRequestStreamCallback (IAsyncResult asynchronousResult)
        {
            HttpWebRequest request = (HttpWebRequest) asynchronousResult.AsyncState;
            System.IO.Stream postStream = request.EndGetRequestStream (asynchronousResult);

            // Prepare Parameters String
            string parametersString = "username = Username & password = Password";
            // foreach (KeyValuePair <string, string> parameter in parameters)
            // {
            // parametersString = parametersString + (parametersString! = ""? "&": "") + string.Format ("{0} = {1}", parameter.Key, parameter.Value);
            //}

         

            byte [] byteArray = System.Text.Encoding.UTF8.GetBytes (parametersString);
            // Write to the request stream.
            postStream.Write (byteArray, 0, parametersString.Length);
            postStream.Close ();
            // Start the asynchronous operation to get the response
            request.BeginGetResponse (new AsyncCallback (GetResponseCallback), request);
        }



 private void GetResponseCallback (IAsyncResult asynchronousResult)
        {
            HttpWebRequest request = (HttpWebRequest) asynchronousResult.AsyncState;
            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 ();
       }