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

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

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