public ActionResult DeleteConfirmed(int id)
        {
            pre_card pre_card = db.pre_cards.Find(id);

            db.pre_cards.Remove(pre_card);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        //
        // GET: /pre_card/Delete/5

        public ActionResult Delete(int id = 0)
        {
            pre_card pre_card = db.pre_cards.Find(id);

            if (pre_card == null)
            {
                return(HttpNotFound());
            }
            return(View(pre_card));
        }
 public ActionResult Edit(pre_card pre_card)
 {
     if (ModelState.IsValid)
     {
         db.Entry(pre_card).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     return(View(pre_card));
 }
        public ActionResult Create(pre_card pre_card)
        {
            if (ModelState.IsValid)
            {
                db.pre_cards.Add(pre_card);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(PartialView(pre_card));
        }