public ActionResult form1(Form1VM model)
        {
            if (!ModelState.IsValid)
            {
                // TODO: Captcha validation failed, show error message
                return(View(model));
            }
            else
            {
                // TODO: captcha validation succeeded; execute the protected action

                // Reset the captcha if your app's workflow continues with the same view
                MvcCaptcha.ResetCaptcha("ExampleCaptcha");
                return(Content("captcha is Correct"));
            }
        }
        public ActionResult form1()
        {
            var model = new Form1VM();

            return(View(model));
        }