请帮我看下我的树形结构

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
.emenu {
       padding-left: 25px;
       cursor: hand;
}
.submenu {
       padding-left: 24px;
}
.files {
       cursor: hand;
       padding-left: 18px;
}
-->
</style></head>
 <script language="javascript" type="text/javascript">
<!--
function tog(item){
   obj=document.getElementById(item);
   visible=(obj.style.display!="none");
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="+";
   } else {
      obj.style.display="block";
      key.innerHTML="-";
   }
}
  
function expall(item,yes){
   obj=document.getElementById(item);
   arr=obj.getElementsByTagName("UL");
   for (i=0;i<arr.length;i++) {
     key=document.getElementById("x" + arr[i].id);
     if(yes){
       arr[i].style.display="block";
       key.innerHTML="-";
     }else{
       arr[i].style.display="none";
       key.innerHTML="+";
     }
   }
}
//-->
</script>
<body>
<%
dim rs_b
 dim rs_l
 dim sql_b
 dim sql_l
 dim Conn
 ConnStr="driver={sql server};server=127.0.0.1;database=tire;uid=sa;pwd=111111"
 set Conn=Server.CreateObject("adodb.connection")
  Conn.Open ConnStr
  Set rs=Server.CreateObject("ADODB.Recordset")  %>
  <div id='tree_all'>
<a id='xtree' href="javascript:tog('tree');">+</a><span class="STYLE40">摩托车型浏览</span>
<ul class='xtree' id='tree' style="display:none;">
<%
sql_b="select * from product" 
Set rs_b=conn.EXECUTE(sql_b)
While Not rs_b.EOF%> <li ><a id='x<%=rs_b("产品型号")%>' href="javascript:tog('<%=rs_b("产品型号")%>');">+<a  href="xx.asp?产品型号=<%=rs_b("产品型号")%>" ><%=rs_b("产品型号")%></a>
<ul id='<%=rs_b("产品型号")%>' style="display:none;">
<%
sql_l="select * from lingbujian  where 车型 like '%"&rs_b("产品型号")&"%'"
Set rs_l=conn.EXECUTE(sql_l)
While Not rs_l.EOF%><li><a  href="xx1.asp?车型=<%=rs_l("产品型号")%>" > </a></li><%
rs_l.MoveNext
Wend
%>
   </ul>
</li>
<%
rs_b.MoveNext
Wend
%>
</ul>
</div>
<p><a href="javascript:expall('tree_all',1);">打开所有分支</a> 
-- <a href="javascript:expall('tree_all',0);">关闭所有分支</a></p>
</td>
  </tr>
<%
rs_b.Close
rs_l.Close
conn.Close
%>
</table>
</form>
</body>
</html>
xx1.asp如下：
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
body {
background-color: #333333;
}
body,td,th {
color: #FFFFFF;
}
a:link {
color: #FFFFFF;
}
a:visited {
color: #FFFFFF;
}
-->
</style></head><body>
<%
Dim conn,rs_b,sql_b,rs_l,sql_l
ConnStr="driver={sql server};server=127.0.0.1;database=tire;uid=sa;pwd=111111"
 set Conn=server.createobject("adodb.connection")
  Conn.Open ConnStr
  Set rs=Server.CreateObject("ADODB.Recordset")
%>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<table width="100%" border="1">
  <tr>
    <td>零部件编号</td>
    <td>零部件名称</td>
    <td>零部件型号</td>
    <td>零部件制造商</td>
    <td>产地</td>
    <td>零部件价格</td>
      </tr>
  <%
sql_b="select * from lingbujian where 车型='" & Request("车型") & "'"
Set rs_b=conn.EXECUTE(sql_b)
%>
    <tr>
      <td><%=rs_b("零部件编号")%></td>
      <td><%=rs_b("零部件名称")%></td>
      <td><%=rs_b("零部件型号")%></td>
      <td><%=rs_b("零部件制造商")%></td>
      <td><%=rs_b("产地")%></td>
      <td><%=rs_b("零部件价格")%></td>
         </tr>
</table>
<%
rs_b.Close
conn.Close
%>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p align="center"><a href="database/bom.asp">返回</a></p>
</body>
</html>我的树形结构为什么只能打到产品那一层，而达不到零部件那层，请高手帮我看下！解决就给分啊！

解决方案 »

  1.   

    不要给出asp源代码，应该给出最终生成的代码，便于分析
      

  2.   

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title>无标题文档</title>
    <style type="text/css">
    <!--
    .emenu {
           padding-left: 25px;
           cursor: hand;
    }
    .submenu {
           padding-left: 24px;
    }
    .files {
           cursor: hand;
           padding-left: 18px;
    }
    -->
    </style></head>
     <script language="javascript" type="text/javascript">
    <!--
    function tog(item){
       obj=document.getElementById(item);
       visible=(obj.style.display!="none");
       key=document.getElementById("x" + item);
       if (visible) {
         obj.style.display="none";
         key.innerHTML="+";
       } else {
          obj.style.display="block";
          key.innerHTML="-";
       }
    }
      
    function expall(item,yes){
       obj=document.getElementById(item);
       arr=obj.getElementsByTagName("UL");
       for (i=0;i<arr.length;i++) {
         key=document.getElementById("x" + arr[i].id);
         if(yes){
           arr[i].style.display="block";
           key.innerHTML="-";
         }else{
           arr[i].style.display="none";
           key.innerHTML="+";
         }
       }
    }
    //-->
    </script>
    <body>  <div id='tree_all'>
    <a id='xtree' href="javascript:tog('tree');">+</a><span class="STYLE40">摩托车型浏览</span>
    <ul class='xtree' id='tree' style="display:none;">
    <li ><a id='x雅马哈YZF-R1                                      ' href="javascript:tog('雅马哈YZF-R1                                      ');">+<a  href="xx.asp?产品型号=雅马哈YZF-R1                                      " >雅马哈YZF-R1                                      </a>
    <ul id='雅马哈YZF-R1                                      ' style="display:none;">   </ul>
    </li>
    <li ><a id='x宝马R1200ST                                       ' href="javascript:tog('宝马R1200ST                                       ');">+<a  href="xx.asp?产品型号=宝马R1200ST                                       " >宝马R1200ST                                       </a>
    <ul id='宝马R1200ST                                       ' style="display:none;">   </ul>
    </li>
    <li ><a id='x雅马哈YZF-R7                                      ' href="javascript:tog('雅马哈YZF-R7                                      ');">+<a  href="xx.asp?产品型号=雅马哈YZF-R7                                      " >雅马哈YZF-R7                                      </a>
    <ul id='雅马哈YZF-R7                                      ' style="display:none;">   </ul>
    </li>
    <li ><a id='x川崎ZX-RR                                         ' href="javascript:tog('川崎ZX-RR                                         ');">+<a  href="xx.asp?产品型号=川崎ZX-RR                                         " >川崎ZX-RR                                         </a>
    <ul id='川崎ZX-RR                                         ' style="display:none;">   </ul>
    </li>
    <li ><a id='x本田CBR150R                                       ' href="javascript:tog('本田CBR150R                                       ');">+<a  href="xx.asp?产品型号=本田CBR150R                                       " >本田CBR150R                                       </a>
    <ul id='本田CBR150R                                       ' style="display:none;">   </ul>
    </li>
    <li ><a id='x本田GL1800                                        ' href="javascript:tog('本田GL1800                                        ');">+<a  href="xx.asp?产品型号=本田GL1800                                        " >本田GL1800                                        </a>
    <ul id='本田GL1800                                        ' style="display:none;">   </ul>
    </li></ul>
    </div>
    <p><a href="javascript:expall('tree_all',1);">打开所有分支</a> 
    -- <a href="javascript:expall('tree_all',0);">关闭所有分支</a></p>
    </td>
      </tr></table>
    </form>
    </body>
    </html>