C# login with cookie and fiddler2
http://blog.codeblack.nl/post/HttpWebRequest-HttpWebResponse-and-cookies.aspx
CookieContainer cookieContainer =
new
CookieContainer();
HttpWebRequest firstRequest = (HttpWebRequest)HttpWebRequest.Create(url);
request.CookieContainer = cookieContainer;
HttpWebResponse firstResponse = (HttpWebResponse)firstRequest.GetResponse();
HttpWebRequest secondRequest = (HttpWebRequest)HttpWebRequest.Create(url);
request.CookieContainer = cookieContainer;
HttpWebResponse secondResponse = (HttpWebResponse)secondRequest .GetResponse();