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

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

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