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

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

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