public List <clsNhatKy_DTO> LayDanhSachNhatKy(DateTime dtBatDau, DateTime dtKetThuc)
        {
            clsNhatKy_DAO DAO = new clsNhatKy_DAO();

            return(DAO.LayDanhSachNhatKy(dtBatDau, dtKetThuc));
        }
        public void ThemNhatKy(string TaiKhoan, DateTime ThoiGian, string SuKien)
        {
            clsNhatKy_DAO DAO = new clsNhatKy_DAO();

            DAO.ThemNhatKy(TaiKhoan, ThoiGian, SuKien);
        }