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

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

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }