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

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

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public PnManualCollection FetchByID(object IdManual)
        {
            PnManualCollection coll = new PnManualCollection().Where("id_manual", IdManual).Load();

            return(coll);
        }