public ActionResult Index(CaptchaFieldTestModel mdl)
 {
     if (ModelState.IsValid)
     {
         FlashSessionService.AddMessage("Captcha is Valid!");
         return(RedirectToAction("Index"));
     }
     return(View(mdl));
 }
        public ActionResult Index()
        {
            var mdl = new CaptchaFieldTestModel();

            return(View(mdl));
        }