public ActionResult CreateWorking(Person model)
 {
     if (!ModelState.IsValid)
     {
         return View(model);
     }
     else
     {
         model.Id = people.Max(m => m.Id) + 1;
         people.Add(model);
         return RedirectToAction("Index");
     }
 }
 public ActionResult CreateWorking()
 {
     var model = new Person();
     return View();
 }