public ActionResult Edit([Bind(Include = "UrunId,Adi,Marka,KategoriID,Fiyat,Aciklama,Resim,SatildiMi")] Tbl_Urun tbl_Urun)
 {
     if (ModelState.IsValid)
     {
         db.Entry(tbl_Urun).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     ViewBag.KategoriID = new SelectList(db.Tbl_Kategori, "KategoriId", "Adi", tbl_Urun.KategoriID);
     return(View(tbl_Urun));
 }