public TblYeucauXetnghiemVnioCollection FetchByQuery(Query qry)
        {
            var coll = new TblYeucauXetnghiemVnioCollection();

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public TblYeucauXetnghiemVnioCollection FetchAll()
        {
            var coll = new TblYeucauXetnghiemVnioCollection();
            var qry  = new Query(TblYeucauXetnghiemVnio.Schema);

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