public ActionResult Edit(UserDetail userdetail)
 {
     if (ModelState.IsValid)
     {
         context.Entry(userdetail).State = EntityState.Modified;
         context.SaveChanges();
         return RedirectToAction("Index","Home");
     }
     return View(userdetail);
 }
        public ActionResult Create(UserDetail userdetail)
        {
            if (ModelState.IsValid)
            {
                context.UserDetails.Add(userdetail);
                context.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(userdetail);
        }