PHP 数据集循环

$rs = $bbs->query("select top 10  * from tt");
while($row = $rs->fetch()) {
//print_r($row);
echo($row['Field1']);
echo($row['Field2']);
echo("<br>");
}

<?php
$rows=$bbs->query("select top 10 *from Teacher");
while($row=$rows->fetch())
{?>
<tr>
<td><?php echo($row['TeacherID']) ?></td>
<td><?php echo iconv('GB2312','UTF-8',$row['TeacherName']);?></td>
<td><?php echo($row['age']) ?></td>
</tr>
<?php }?>