public IQueryable <Theloai> GetCategories() { var _db = new BooksShopOnline.Models.GiayContext(); IQueryable <Theloai> query = _db.Theloai; return(query); }
public IQueryable <GiayList> GetBooks([QueryString("id")] int?TheloaiId) { var _db = new BooksShopOnline.Models.GiayContext(); IQueryable <GiayList> query = _db.Giay; if (TheloaiId.HasValue && TheloaiId > 0) { query = query.Where(p => p.TheloaiID == TheloaiId); } return(query); }