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

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

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