public ActionResult Create(Contacts contacts)
        {
            if (ModelState.IsValid)
            {
                db.Contacts.Add(contacts);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.UserId = new SelectList(db.UserData, "UserId", "Name", contacts.UserId);
            return View(contacts);
        }
 public ActionResult Edit(Contacts contacts)
 {
     if (ModelState.IsValid)
     {
         db.Entry(contacts).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.UserId = new SelectList(db.UserData, "UserId", "Name", contacts.UserId);
     return View(contacts);
 }