怎样从HTML网页中提取纯文本啊，c#的

Question

不好意思啊，是新手啦，搜到一个VB的，想要一个C#的，希望达人给一些指点，谢谢了

Answer 1

private void DownFile(string filename)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(filename));
            ServicePointManager.Expect100Continue = false;
            HttpWebResponse response = null;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
            catch (WebException exception)
            {
                if (exception.Status == WebExceptionStatus.ProtocolError)
                {
                    response = (HttpWebResponse)exception.Response;
                }
                else if (exception.Status == WebExceptionStatus.ConnectFailure)
                {
                    //
                }
                else
                {
                    //MessageBox.Show(exception.ToString());
                }
            }            Stream responseStream = response.GetResponseStream();
            StreamReader sr = new StreamReader(responseStream, Encoding.Default);
            string body = sr.ReadToEnd();
            sr.Close();
            responseStream.Close();
            response.Close();            StreamWriter sw = new StreamWriter(SaveFileName(), false, Encoding.Default);
            sw.Write(body);
            sw.Close();

Answer 2

如果HTML在本地可以直接读。楼上的应该也行。另提供一点思路XMLHTTP也可以，不过每次读大概有3秒的延时