请教树形结构
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<%
dim rs_b
dim rs_l
dim rs_m
dim rs_n
dim rs_q
dim sql_b
dim sql_l
dim sql_m
dim sql_n
dim sql_q
dim Conn
ConnStr="driver={sql server};server=127.0.0.1;database=diannao;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">手机型号浏览</span>
<ul class='xtree' id='tree' style="display:none;">
<%
sql_b="select * from diannao"
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="xiangxi.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 dianchijian where 配件编号 like '%"&trim(rs_b("产品编号"))&"%'"
Set rs_l=conn.EXECUTE(sql_l)
While Not rs_l.EOF
%>
<li><a href="xiangxi1.asp?配件编号=<%=rs_b("产品编号")%> "><%=rs_l("配件型号")%></a></li>
<%
sql_m="select * from erjijian where 配件编号 like '%"&trim(rs_b("产品编号"))&"%'"
Set rs_m=conn.EXECUTE(sql_l)
While Not rs_m.EOF
%>
<li><a href="xiangxi2.asp?配件编号=<%=rs_b("产品编号")%> "><%=rs_l("配件型号")%></a></li>
<%
sql_n="select * from chongdianqi where 配件编号 like '%"&trim(rs_b("产品编号"))&"%'"
Set rs_n=conn.EXECUTE(sql_l)
While Not rs_n.EOF
%>
<li><a href="xiangxi3.asp?配件编号=<%=rs_b("产品编号")%> "><%=rs_l("配件型号")%></a></li>
<%
sql_q="select * from cunchuka where 配件编号 like '%"&trim(rs_b("产品编号"))&"%'"
Set rs_q=conn.EXECUTE(sql_l)
While Not rs_q.EOF
%>
<li><a href="xiangxi4.asp?配件编号=<%=rs_b("产品编号")%> "><%=rs_l("配件型号")%></a></li>
<%
rs_l.MoveNext
Wend
%>
</ul>
</li>
<%
rs_b.MoveNext
Wend
%>
</ul>
</div>
<%
rs_m.MoveNext
Wend
%>
</ul>
</li>
<%
rs_n.MoveNext
Wend
%>
</ul>
</li>
<%
rs_q.MoveNext
Wend
%>
</ul>
</li>
<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>
我的产品表和个零部件表中的编号是一样的,我现在做树形结构,但实现不了!错误:BOF 或 EOF 中有一个是“真”,或者当前的记录已被删除,所需的操作要求一个当前的记录。谢谢!