public ActionResult Delete(int id=0) { //check if (!this._nhanvien_permission.Contains("phanhoi_delete")) { return this._fail_permission("phanhoi_delete"); } PhanHoiController ctr = new PhanHoiController(); if (!ctr.is_exist(id)) { return RedirectToAction("Index", "AdminPhanHois"); } //delete ctr.delete(id); return RedirectToAction("Index","AdminPhanHois"); }