asp.net生成静态页面的一个方法

  public void makeht(string url, string makedhtm)
    {

        HttpWebRequest request = null;
        HttpWebResponse response = null;
        Stream stream = null;
        StreamReader reader = null;
        request = (HttpWebRequest)WebRequest.Create(url.Trim());
        response = (HttpWebResponse)request.GetResponse();
        stream = response.GetResponseStream();
        reader = new StreamReader(stream);
        string result = reader.ReadToEnd();
        reader.Close();
        response.Close();

        //string savePath = Server.MapPath("~/htm/" + makedhtm.Trim());
        string savePath = Server.MapPath("~/" +makedhtm.Trim());
        StreamWriter writer = new StreamWriter(savePath, false, Encoding.UTF8);
        writer.Write(result);
        writer.Close();

        Label2.Text = makedhtm + "生成成功";
    }