HttpWebRequest reqFirstPage = (HttpWebRequest)WebRequest.Create("http://Yourdomain.com");
                HttpWebResponse resAddYahooCom = (HttpWebResponse)reqFirstPage.GetResponse();
                StreamReader srAddYahooComUrl = new StreamReader(resAddYahooCom.GetResponseStream());
                strAddYahooComPage = srAddYahooComUrl.ReadToEnd();