}  if (_resultSet != null) { _resultSet.close(); _resultSet = null;
    public void close() throws DataSetException    {        try        {            if (_statement != null)            {                _statement.close();                _statement = null;            }            if (_resultSet != null)            {                _resultSet.close();                _resultSet = null;            }        }        catch (SQLException e)        {            throw new DataSetException(e);        }    }