远程服务器返回错误：（403）禁止。同时让网站成为流阅读器

Question

我在

收到错误

StreamReader stream = new StreamReader(request.GetResponse().GetResponseStream());

说远程服务器返回错误：

  

403禁止

我在网址中传递http://www.snapdeal.com。

StreamReader reader = objm.URLServerR(address);   
       public StreamReader URLServerR(string url)
                {
                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                    StreamReader stream = new StreamReader(request.GetResponse().GetResponseStream());
                    return stream;
                }