ASP.NET

private static void SetCookieExtedend(String key, String value, String path)
        {

            DateTime expires = DateTime.UtcNow + TimeSpan.FromDays(2000);

            bool secure = false;

            String domain = "Ecash";

            StringBuilder cookie = new StringBuilder();

            cookie.Append(String.Concat(key, "=", value));

            if (expires != null)
            {

                cookie.Append(String.Concat(";expires=", expires.ToString("R")));
            }

            if (!String.IsNullOrEmpty(path))
            {
                cookie.Append(String.Concat(";path=", path));
            }

            if (!String.IsNullOrEmpty(domain))
            {
                cookie.Append(String.Concat(";domain=", domain));
            }

            if (secure)
            {
                cookie.Append(";secure");
            }

            HtmlPage.Document.SetProperty("cookie", cookie.ToString());
        }

UserID=142;expires=Mon, 14 Nov 2016 16:58:19 GMT;domain=Ecash

public static string GetCookie(string key)
       {
           string[] cookies = HtmlPage.Document.Cookies.Split(';');
           key += '=';
           foreach (string cookie in cookies)
           {
               string cookieStr = cookie.Trim();
               if (cookieStr.StartsWith(key, StringComparison.OrdinalIgnoreCase))
               {
                   string[] vals = cookieStr.Split('=');

                   if (vals.Length >= 2)
                   {
                       return vals[1];
                   }

                   return string.Empty;
               }
           }

           return null;
       }

string[] cookies = HtmlPage.Document.Cookies.Split(';');

AjaxServerControl1.Priority = function() {}
AjaxServerControl1.Priority.prototype = {
    RealTime: 6,
    High: 5,
    AboveNormal: 4,
    Normal: 3,
    BelowNormal: 2,
    Low: 1
}
AjaxServerControl1.Priority.registerEnum('AjaxServerControl1.Priority');

<authentication mode="Windows"/>
    <identity impersonate="false"/>