asp关联二级菜单问题

该代码只能看大类的列表，小类的看不到，请各位大侠指点一下，运行成功后我会追加100分！<html><%dimc... 该代码只能看大类的列表，小类的看不到，请各位大侠指点一下，运行成功后我会追加100分！


<html>
<%
dim count
set rs=server.createobject("adodb.recordset")
sql = "select * from shop_nclass order by nclassidorder"
rs.open sql,conn,1,1
%>
<script language = "JavaScript">
var onecount;
onecount=0;
subcat = new Array();
<%
count = 0
do while not rs.eof
%>
subcat[<%=count%>] = new Array("<%= trim(rs("nclass"))%>","<%= trim(rs("anclassid"))%>","<%= trim(rs("nclassid"))%>");
<%
count = count + 1
rs.movenext
loop
rs.close
%>
onecount=<%=count%>;

function changelocation(locationid)
{
document.form1.sid.length = 0;

var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.form1.sid.options[document.form1.sid.length] = new Option(subcat[i][0], subcat[i][2]);
}
}

}
</script>
<body>
<table border="0" width="100%" id="table1" cellpadding="4" style="border:1px solid #183789; padding-left:4px; padding-right:4px; padding-top:1px; padding-bottom:1px">
<form action=save.asp method=post name=form1 onSubmit="return checkdata();">
<tr>
<td width="100%" colspan="2" background="Image/admin_bg_1.gif" height="25">
<font color="#FFFFFF"><b>商品发布：</b></font></td>
</tr>
<tr>
<td width="168">所属分类：</td>
<td width="802"><select size="1" name="bid" onChange="changelocation(document.form1.bid.options[document.form1.bid.selectedIndex].value)">
<option>≡≡请选择大类≡≡</option>
<%sql="select anclassid,anclass from shop_anclass order by anclassidorder"
set rs=conn.execute (sql)
set id=rs("anclassid")
set big_class=rs("anclass")
do while not rs.eof
%>
<option value="<%= trim(rs("anclassid"))%>"><%= trim(rs("anclass"))%></option>
<%rs.movenext
loop
%>

</select> <select name="sid" onChange="change(document.form1.sid.options[document.form1.sid.selectedIndex].value)" style='width:147;background-color:white;font-size:12;color:black; height:18' size="1">
<option selected>≡≡请选择小类≡≡</option></select></td>
</form>
</table>

</body>

</html>
我要的是点击选择大类后，从小类里面出来与之相关的小类列表！大家多多帮忙，没啥说的，加分！展开

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2个回答

#热议# 海关有哪些禁运商品？查到后怎么办？

_传_奇
2009-05-21 · TA获得超过267个赞

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代码是没有问题的，你应该检查一下你的小类是否与大类的连接做好了，就是一个大类下面的小类的序号是否对应，应该是你的数据库表之间的连接做错了！

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2009-05-20 · TA获得超过461个赞

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<html>
<%
dim count
set rs=server.createobject("adodb.recordset")
sql = "select * from shop_nclass order by nclassidorder"
rs.open sql,conn,1,1
%>
<script language = "JavaScript">
var onecount;
onecount=0;
subcat = new Array();
<%
count = 0
do while not rs.eof
%>
subcat[<%=count%>] = new Array("<%= trim(rs("nclass"))%>","<%= trim(rs("anclassid"))%>","<%= trim(rs("nclassid"))%>");
<%
count = count + 1
rs.movenext
loop
rs.close
%>
onecount=<%=count%>;

function changelocation(locationid)
{
document.form1.sid.length = 0;

var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.form1.sid.options[document.form1.sid.length] = new Option(subcat[i][0], subcat[i][2]);
}
}

}
</script>
<body>
<table border="0" width="100%" id="table1" cellpadding="4" style="border:1px solid #183789; padding-left:4px; padding-right:4px; padding-top:1px; padding-bottom:1px">
<form action=save.asp method=post name=form1 onSubmit="return checkdata();">
<tr>
<td width="100%" colspan="2" background="Image/admin_bg_1.gif" height="25">
<font color="#FFFFFF"><b>商品发布：</b></font></td>
</tr>
<tr>
<td width="168">所属分类：</td>
<td width="802"><select size="1" name="bid" onChange="changelocation(document.form1.bid.options[document.form1.bid.selectedIndex].value)">
<option>≡≡请选择大类≡≡</option>
<%sql="select anclassid,anclass from shop_anclass order by anclassidorder"
set rs=conn.execute (sql)
set id=rs("anclassid")
set big_class=rs("anclass")
do while not rs.eof
%>
<option value="<%= trim(rs("anclassid"))%>"><%= trim(rs("anclass"))%></option>
<%rs.movenext
loop
%>

</select> <select name="sid" onChange="change(document.form1.sid.options[document.form1.sid.selectedIndex].value)" style='width:147;background-color:white;font-size:12;color:black; height:18' size="1">
<option selected>≡≡请选择小类≡≡</option>
<option>1</option>
<option>2</option>
<option>3</option>
</select></td>
</form>
</table>

</body>

</html>

把1、2、3改成你需要添加的内容就行！

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