public JsonResult GetContactById(int id)
        {
            var context = new ACMEDb();
            var user    = context.Contacts.Find(id);

            return(Json(user, JsonRequestBehavior.AllowGet));
        }
        public string Update(Contact contact)
        {
            var db = new ACMEDb();

            db.Entry(contact).State = EntityState.Modified;
            db.SaveChanges();

            return("Update Sucessful");
        }