private static string findStatus(Int32 i) 
          { 
              try 
              { 
                  string urlAddress = "http://www.idata.com.tr/track/de/" + i.ToString() + "?callback=locateDocumentCallback"; 
   
                  HttpWebRequest request = (HttpWebRequest)WebRequest.Create(urlAddress); 
                  request.Method = "POST"; 
   
                  HttpWebResponse response = (HttpWebResponse)request.GetResponse(); 
   
                  if (response.StatusCode == HttpStatusCode.OK) 
                  { 
                      Stream receiveStream = response.GetResponseStream(); 
                      StreamReader readStream = null; 
   
                      readStream = new StreamReader(receiveStream); 
   
                      string data = readStream.ReadToEnd(); 
                      response.Close(); 
                      readStream.Close(); 
   
                      return i.ToString() + "#" + data; 
                  } 
                  else 
                  { 
                     return response.StatusCode.ToString(); 
                  } 
              } 
              catch (Exception ex) 
              { 
                  return ex.ToString(); 
              } 
          }