能不能帮小弟我看看这段代码出错在哪？谢过！

能不能帮我看看这段代码出错在哪？谢过！！！！！！！！！！
第一个这个是正常显示的...先贴出代码

PHP code

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<form name="form1" method="get" action="search.php">
  <label for="title"></label>
  <div align="center">
    标题
      <input type="text" name="title" id="title">
    <input type="submit" name="submit" id="button" 

value="搜索">
  </div>
</form>
<div align="center">
  <?php 
header("Content-Type:text/html;charset=utf-8");
include("conn.php");
$biaoti=$_GET['title'];
$biaoti2="%".$biaoti."%";
$sql="select * from news where title like '$biaoti2'";
$result=mysql_query($sql,$mylink);
$result2=mysql_fetch_array($result);
$i=0;
echo "搜索内容：".$biaoti;
echo "</br>";
echo "搜索结果总数：".$i;
if($biaoti=="")
{
    echo "模块初始化已完成";
    
    }
    else
    {
?>
  <table width="1079" height="102" border="1">
    <tr>
      <th width="81" height="45" bgcolor="#E2F4F6" scope="col">序号</th>
      <th width="122" bgcolor="#E2F4F6" scope="col">发布所用账号</th>
      <th width="346" bgcolor="#E2F4F6" scope="col">标题</th>
      <th width="192" bgcolor="#E2F4F6" scope="col">时间</th>
      <th width="144" bgcolor="#E2F4F6" scope="col">昵称</th>
      <th width="77" bgcolor="#E2F4F6" scope="col">评论数</th>
      <th width="71" bgcolor="#E2F4F6" scope="col">删除</th>
    </tr>
<?php do
{
?>
    <tr>
      <th height="49" scope="col"><?php echo $commentcount=$result2['id'];?></th>
      <th scope="col"><?php echo $result2['zhanghao'];?></th>
      <th scope="col"><a href="view.php?id=<?php echo $result2['id'];?>">
      <?php echo $result2['title'];?> </a></th>
      <th scope="col"><?php echo date("Y-m-d H：i：s",strtotime($result2['time']));?></th>
      <th scope="col"><?php echo $result2['name'];?></th>
      <th scope="col"> <?php $sql2="select count(*) as abc from tbcomment where id='$commentcount'";
    $sqlquery=mysql_query($sql2,$mylink);
    $result4=mysql_fetch_array($sqlquery);
    echo $result4['abc'];
     ?></th>
      <th scope="col"><a 

href="shanchu.php?id=<?php echo $result2['id'];?>"><?php 
echo "删除";?></a></th>
    </tr><?php 
}
while($result2=mysql_fetch_array($result))
?>
  </table>
</div>

<?php 
}
?>

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PHP code

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