我想用程序自动登录到某个网站获取它其中某个页面的邮件信息，可是总是停在登录页面，没有验证码，可就是进不去，我知道需要用httpwebrequest，也试了网上的代码可总不得窍门，总实现不了，有什么办法多赐教，能贴代码更好。
初学asp.net，望高手们不吝赐教。
------解决方案--------------------------------------------------------
给你一个登录校内的代码。
- C# code
public static bool login(string user, string passwd,bool isuseproxy,WebProxy proxy) { string text1 = "http://login.xiaonei.com/Login.do"; string[] textArray1 = new string[5] { "email=", user, "&password=", passwd, "&origURL=http%3A%2F%2Fwww.xiaonei.com%2FSysHome.do&submit=%E7%99%BB%E5%BD%95" }; string text2 = string.Concat(textArray1); HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create(text1); request1.Method = "POST"; request1.KeepAlive = true; request1.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1"; request1.ContentType = "application/x-www-form-urlencoded"; request1.AllowAutoRedirect = true; if (proxy != null && isuseproxy != false) { request1.Proxy = proxy; } request1.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/msword, application/x-shockwave-flash, */*"; CookieContainer container1 = new CookieContainer(); request1.CookieContainer = container1; Stream stream1 = request1.GetRequestStream(); StreamWriter writer1 = new StreamWriter(stream1, Encoding.ASCII); writer1.Write(text2); writer1.Close(); stream1.Close(); HttpWebResponse response1 = (HttpWebResponse)request1.GetResponse(); Program.cookie = request1.CookieContainer.GetCookieHeader(new Uri("http://login.xiaonei.com/Login.do")); Encoding encoding1 = Encoding.GetEncoding("utf-8"); Stream stream2 = response1.GetResponseStream(); StreamReader reader1 = new StreamReader(stream2, encoding1); StringBuilder builder1 = new StringBuilder(); while (reader1.Peek() != -1) { builder1.Append(reader1.ReadLine()); } string text3 = builder1.ToString(); request1.Abort(); Match match1 = Regex.Match(text3, "<title>.*</title>"); if ((match1.Length >= 1) && (match1.Value != "<title>\u6821\u5185\u7f51 - \u767b\u5f55</title>")) { Match match2 = Regex.Match(text3, "id=[0-9]{8,9}.*\u9996\u9875"); if (match2.Length >= 1) { Match match3 = Regex.Match(match2.Value, "[0-9]{8,9}"); if (match3.Length >= 1) { Program.selfID = match3.Value; } } return true; } return false; } public static WebProxy setWebPorxy(string Uri, int port, string uid, string pwd) { WebProxy myProxy = new WebProxy(Uri, port); try { if (Uri.Length > 0) { myProxy.Credentials = new NetworkCredential(uid, pwd,"acc"); } else { return null; } } catch { return null; } return myProxy; }