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

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

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