动态读取网页内容

//HttpWebRequest RQ = (HttpWebRequest)WebRequest.Create("http://www.china2car.com/");

        //HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
        //WebResponse Wbr = RQ.GetResponse();
        //Stream SR = Wbr.GetResponseStream();
        //StreamReader sr = new System.IO.StreamReader(SR, Encoding.GetEncoding("utf-8"));
        //string str = sr.ReadToEnd();
        //SR.Close();
        //sr.Close();

HttpWebRequest RQ = (HttpWebRequest)WebRequest.Create("http://www.zg2sc.cn/car/commCar.do?carid=994110");
        StreamReader Sr = new System.IO.StreamReader(RQ.GetResponse().GetResponseStream(), Encoding.GetEncoding("gb2312"));
        string str = Sr.ReadToEnd();
        Sr.Close();
        Response.Write(str);