postMessage in asp.net via http to communicate with 2 websites..

private static void PostData()
        {
            HttpWebRequest httpWReq = (HttpWebRequest)WebRequest.Create("http://yourdomain.com/yourpage.aspx");

            ASCIIEncoding encoding = new ASCIIEncoding();
            string postData = "extension=rayhan";//post data using key-value pairs
            postData += "&type=0";
            byte[] data = encoding.GetBytes(postData);

            httpWReq.Method = "POST";
            httpWReq.ContentType = "application/x-www-form-urlencoded";
            httpWReq.ContentLength = data.Length;

            using (Stream stream = httpWReq.GetRequestStream())
            {
                stream.Write(data, 0, data.Length);
            }

            HttpWebResponse response = (HttpWebResponse)httpWReq.GetResponse();

            string responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
            response.Close();
        }