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当我试图让HTML页面我得到这个错误:“的基础连接已关闭:连接被意外关闭”
The underlying connection was closed: The connection was closed unexpectedly
我想我得到了现场,正在使用基于一些保护IP。
WebClient single_page_client = new WebClient();
single_page_client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.0.3705;)");
string cat_page_single = single_page_client.DownloadString(the_url);
我该怎么做? 与Webclient一起使用代理服务器怎么样?
编辑
如果我用这个代码,它的工作原理。为什么?
HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(current_url);
webrequest.KeepAlive = true;
webrequest.Method = "GET";
webrequest.ContentType = "text/html";
webrequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
//webrequest.Connection = "keep-alive";
webrequest.Host = "cat.sabresonicweb.com";
webrequest.Headers.Add("Accept-Language", "en-US,en;q=0.5");
webrequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1; rv:18.0) Gecko/20100101 Firefox/18.0";
HttpWebResponse webresponse = (HttpWebResponse)webrequest.GetResponse();
Console.Write(webresponse.StatusCode);
Stream receiveStream = webresponse.GetResponseStream();
Encoding enc = System.Text.Encoding.GetEncoding(1252);//1252
StreamReader loResponseStream = new StreamReader(receiveStream, enc);
string current_page = loResponseStream.ReadToEnd();
loResponseStream.Close();
webresponse.Close();
不,我在服务器日志或事件查看器中看不到任何错误。正如我写的,它与HttpWebRequest一起工作。我认为应该是第一个。谢谢 – aquanat