try {
	$sqe = new StoredProcExecutor();
	$param = array(1);
	$res = &$sqe->query('sample', $param);

	while (($row = $res->fetchRow())) {
		echo $row[0] . '&nbsp;|&nbsp;' . $row[1] . '&nbsp;|&nbsp;' . $row[2] . '<br>';
	}

	$qe = new QueryExecutor();
	$res = &$qe->query('select chapter_id, chapter_name, product_id from tbl_chapter');

	while (($row = $res->fetchRow())) {
		echo $row[0] . '&nbsp;|&nbsp;' . $row[1] . '&nbsp;|&nbsp;' . $row[2] . '<br>';
	}

} catch (Exception $e) {
	echo $e->getMessage() . '<br>';
}