public ActionResult Test(int?idProducer, int?idCate, string SearchTerm) { PRODUCTdao dao = new PRODUCTdao(); List <Product> pro = dao.LoaiHangSp(idCate, idProducer).ToList(); ViewBag.SearchTerm = SearchTerm; var ls = model.Product.Where(x => x.Name.Contains(SearchTerm)).ToList(); if ((idProducer == null) && (idCate == null)) { return(View(ls)); } else { return(View(pro)); } //var ls = model.PRODUCTs.Where(x => x.ID_PRODUCER == idProducer && x.ID_CATEGORY == idCate).ToList(); //return View(ls); }