public ActionResult Edit([Bind(Include = "room_id,room_name,room_type,room_price")] tbl_RoomInfo tbl_RoomInfo) { try { if (ModelState.IsValid) { db.Entry(tbl_RoomInfo).State = EntityState.Modified; db.SaveChanges(); return(RedirectToAction("Index")); } return(View(tbl_RoomInfo)); } catch (Exception ex) { return(null); } }