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

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

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