public ReceptKompDTO getReceptKomp(int receptId, int raavareId) throws DALException {
		ResultSet rs = Connector.doQuery("SELECT * FROM receptkomponent WHERE recept_id = " + receptId + " AND raavare_id = " + raavareId);
		try {
			if (!rs.first()) throw new DALException("Receptkomponenten " + receptId + ", " + raavareId + " findes ikke");
			return new ReceptKompDTO (rs.getInt(1), rs.getInt(2), rs.getDouble(3), rs.getDouble(4));
		}
		catch (SQLException e) {throw new DALException(e); }
	}