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

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

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