public IActionResult Index(RegViewForm newForm)
        {
            RegViewForm NewForm = newForm;

            if (ModelState.IsValid)
            {
                return(RedirectToAction("Success", newForm));
            }
            else
            {
                return(View());
            }
        }
 public IActionResult Success(RegViewForm newForm)
 {
     return(View("Success", newForm));
 }