Cookie似乎並未在HttpWebRequest中使用

Question

在我的問題Can't login with HttpWebRequests之後，我成功登錄了。我收到頁面，它說「感謝您登錄」，但之後我似乎不是登錄。

對我來說，這看起來像一個餅乾問題。在螢火蟲餅乾似乎是HttpOnly可以這是一個問題？我怎樣才能使HttpWebRequest使用cookies？

這是我用於登錄的代碼：

string url = "http://www.warriorforum.com/login.php?do=login"; 

var bytes = Encoding.Default.GetBytes(@"vb_login_username=USERNAME&cookieuser=1&vb_login_password=&s=&securitytoken=guest&do=login&vb_login_md5password=d9350bad28eee253951d7c5211e50179&vb_login_md5password_utf=d9350bad28eee253951d7c5211e50179"); 
var container = new CookieContainer(); 

var request = (HttpWebRequest)(WebRequest.Create(url)); 
request.CookieContainer = container; 
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)"; 
request.ContentLength = bytes.Length; 
request.Method = "POST"; 
request.ContentType = "application/x-www-form-urlencoded"; 
request.KeepAlive = true; 
request.AllowAutoRedirect = true; 
request.AllowWriteStreamBuffering = true; 
request.CookieContainer = container; 
using (var requestStream = request.GetRequestStream()) 
    requestStream.Write(bytes, 0, bytes.Length); 

var requestResponse = request.GetResponse(); 
using (var responsStream = requestResponse.GetResponseStream()) 
    if (responsStream != null) 
    { 
     using (var responseReader = new StreamReader(responsStream)) 
     { 
      var responseStreamReader = responseReader.ReadToEnd(); 
      richTextBox1.Text = responseStreamReader; //this is to read the page source after the request 
     } 
    } 
} 

Answer 1

的HttpWebRequest.CookieContainer的手冊頁說：

的的CookieContainer屬性提供了包含與此相關的餅乾的CookieContainer類的一個實例請求。

你這樣做：

var container = new CookieContainer(); 

所以在每次請求，你有一個新的開始CookieContainer沒有任何的cookie。使container成爲類成員，並僅實例化一次。