网页小偷方法

public static string GetHtmlSource(string url)
  {
   stringstrResult ="" ;
   try
   {
    
    HttpWebRequestmyReq = (HttpWebRequest)WebRequest.Create(url);
    myReq.Method="GET";
    myReq.ServicePoint.ConnectionLimit=100;

    HttpWebResponseHttpWResp = (HttpWebResponse)myReq.GetResponse();
    StreammyStream = HttpWResp.GetResponseStream () ;

    StreamReadersr = new StreamReader(myStream , Encoding.Default);
    StringBuilderstrBuilder = new StringBuilder();
    while(-1 != sr.Peek())
    {
     strBuilder.Append(sr.ReadLine()+"/n");
    }
    strResult= strBuilder.ToString();
   }
   catch(Exception)
   {
    return"441";
   }
   returnstrResult ;  
  }