private Tuple<int, string> SendData2(string JsonData, string url, string username, string password)
        {
            UTF8Encoding encoding = new UTF8Encoding();
            //string url = "http://rtflistener-u001.elasticbeanstalk.com/Listener.ashx";
            //string username = "username";
            //string password = "password";

            HttpWebRequest httpWebReq = (HttpWebRequest)WebRequest.Create(url);

            string requestString = "username=" + username + "&password=" + password + "&data=" + JsonData;

            byte[] cData = encoding.GetBytes(requestString);

            httpWebReq.Method = "POST";
            httpWebReq.ContentType = "application/x-www-form-urlencoded";
            httpWebReq.ContentLength = cData.Length;
            httpWebReq.Timeout = 30000;

            string responseString = "";
            int statusCode = 0;

            try
            {
                using (Stream stream = httpWebReq.GetRequestStream())
                {
                    stream.Write(cData, 0, cData.Length);
                }

                HttpWebResponse httpResponse = (HttpWebResponse)httpWebReq.GetResponse();
                responseString = new StreamReader(httpResponse.GetResponseStream()).ReadToEnd();
                statusCode= (int)httpResponse.StatusCode;
                //200
            }
            catch (WebException ex)
            {
                statusCode = (int)ex.Status;
                HttpWebResponse httpResponse = (HttpWebResponse)ex.Response;
                responseString = new StreamReader(httpResponse.GetResponseStream()).ReadToEnd();
                //400, 500
            }
            catch (Exception ex)
            {
            }

            return new Tuple<int, string>(statusCode, responseString);
        }