System.Net.FileWebResponse.GetResponseStream C# (CSharp) Method

        public override System.IO.Stream GetResponseStream() { throw null; }
    }

 public static string GetWebSiteContent(string url, string type)
 {
     try
     {
         //CrawlingData cData = new CrawlingData();
         string         _requestUrl   = url.Trim();
         string         _encodingType = "utf-8";
         FileWebRequest request       = (FileWebRequest)WebRequest.Create(_requestUrl);
         //request..AllowAutoRedirect = true;
         //request.MaximumAutomaticRedirections = 3;
         //request.UserAgent = "Mozilla/6.0 (MSIE 6.0; Windows NT 5.1; Arya.NET Robot)";
         //request. = true; request.Timeout = 15 * 1000;
         System.Net.FileWebResponse response = (FileWebResponse)request.GetResponse();
         //showExtractConetent.InnerHtml = ((HttpWebResponse)response).StatusDescription;
         //showExtractConetent.InnerHtml += "<br/>";
         //_encodingType = GetEncodingType(response);
         System.IO.StreamReader reader = new System.IO.StreamReader
                                             (response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
         // Read the content.
         string responseFromServer = reader.ReadToEnd();
         return(responseFromServer);
     }
     catch (WebException ex)
     {
         string response = GetWebSiteContent(url);
         return(response);
     }
 }