public ActionResult DeleteConfirmed(int id)
        {
            Item_value item_value = db.item_val.Find(id);

            db.item_val.Remove(item_value);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        //
        // GET: /Itemvalue/Delete/5

        public ActionResult Delete(int id = 0)
        {
            Item_value item_value = db.item_val.Find(id);

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

            return(View(item_value));
        }