public IActionResult IsIdAvailable(Person person)
 {
     return Json(data: string.Format(
         "/AnotherAria/RemoteAttribute_Verify/IsIdAvailable rejects '{0}' with '{1}', '{2}', and '{3}'.",
         person.UserId4,
         person.UserId1,
         person.UserId2,
         person.UserId3));
 }
        public IActionResult Create(Person person)
        {
            ModelState.Remove("id");
            if (!ModelState.IsValid)
            {
                return View(person);
            }

            _person = person;
            return RedirectToAction(nameof(Details));
        }