How to Get Response from the web page...

HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(orderno);

        HttpWebResponse httppres = (HttpWebResponse)myReq.GetResponse();
        System.IO.StreamReader sr = new System.IO.StreamReader(httppres.GetResponseStream());
        string responseString = sr.ReadToEnd();
        sr.Close();
        return responseString;