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

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