shatulsky

 public static string GetResponseWithCookies(string url, Dictionary<string, string> cookieNameValues) {
            using (var webClient = new WebClient()) {
                var uri = new Uri(url);
                var webRequest = WebRequest.Create(uri);
                foreach (var nameValue in cookieNameValues) {
                    webRequest.TryAddCookie(new Cookie(nameValue.Key, nameValue.Value, "/", uri.Host));
                }
                var response = webRequest.GetResponse();
                var receiveStream = response.GetResponseStream();
                var readStream = new StreamReader(receiveStream, Encoding.UTF8);