public ActionResult Create(Person person)
        {
            if (ModelState.IsValid)
            {
                db.People.Add(person);
                db.SaveChanges();

                return RedirectToAction("Index");
            }

            return View(person);
        }
        public ActionResult Edit(Person person)
        {
            if (ModelState.IsValid)
            {
                db.Entry(person).State = EntityState.Modified;
                db.SaveChanges();

                return RedirectToAction("Index");
            }

            return View(person);
        }