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

            return View(item_package);
        }
 public ActionResult Edit(ITEM_PACKAGE item_package)
 {
     if (ModelState.IsValid)
     {
         db.Entry(item_package).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(item_package);
 }