foreach (string line in tbCookie.Lines)
                {
                    int n = line.IndexOf('=');
                    if (n > 0)
                    {
                        if (req.CookieContainer == null)
                        {
                            req.CookieContainer = new CookieContainer();
                        }
                        req.CookieContainer.Add(new Cookie(line.Substring(0, n), line.Substring(n+1), "/", req.RequestUri.DnsSafeHost));
                    }
                }