public ProduktBatchKompDTO getProduktBatchKomp(int pbId, int rbId) throws DALException {
		ResultSet rs = Connector.doQuery("SELECT * FROM produktbatchkomponent WHERE pb_id = " + pbId + " AND rb_id = " + rbId);
		try {
			if (!rs.first()) throw new DALException("Produktbatchkomponenten " + pbId + ", " + rbId + " findes ikke");
			return new ProduktBatchKompDTO (rs.getInt(1), rs.getInt(2), rs.getDouble(3), rs.getDouble(4), rs.getInt(5));
		}
		catch (SQLException e) {throw new DALException(e); }
	}