public List <HienThiGiay_DTO> Tim(string query)
        {
            HienThiGiay_DAO objHienThiGiay_DAO = new HienThiGiay_DAO();

            return(objHienThiGiay_DAO.TimSP(query));
        }
        public List <HienThiGiay_DTO> LayDanhSach()
        {
            HienThiGiay_DAO objHienThiGiay_DAO = new HienThiGiay_DAO();

            return(objHienThiGiay_DAO.LayDanhSach());
        }