public HoadonMauCollection FetchByQuery(Query qry)
        {
            HoadonMauCollection coll = new HoadonMauCollection();

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public HoadonMauCollection FetchAll()
        {
            HoadonMauCollection coll = new HoadonMauCollection();
            Query qry = new Query(HoadonMau.Schema);

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public HoadonMauCollection FetchByID(object IdHoadonMau)
        {
            HoadonMauCollection coll = new HoadonMauCollection().Where("id_hoadon_mau", IdHoadonMau).Load();

            return(coll);
        }