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 }?>