为什么我下面的 “三级联动” 是错的？（郁闷中...)
<%
'OK工作室 http://ok123.k989.com
'sort 一级分类表:sort_id,sort_name
'nsort 二级分类表:nsort_id,sort_id,nsort_name
'nnsort 三级分类表:nnsort_id,nsort_id,nnsort_name
%>
<%dim countL,countL2,rsA,rsA2,conn,connstr
'创建连接
set conn=server.createobject( "adodb.connection ")
connstr= "Provider=SQLNCLI;Server=wu\sqlexpress;Database=test_yc;Uid=sa;pwd=1234; "
conn.open connstr
%>
<%
dim count
set rs=server.createobject( "adodb.recordset ")
sql= "select * from nsort "
rs.open sql,conn,1,3
%>
<script language = "JavaScript ">
var onecount;
onecount=0;
subcat = new Array();
<%
count = 0
do while not rs.eof
%>
subcat[ <%=count%> ] = new Array( " <%= trim(rs( "nsort_name "))%> ", " <%= trim(rs( "sort_id "))%> ", " <%= trim(rs( "nsort_id "))%> ");
<%
count = count + 1
rs.movenext
loop
rs.close
%>
onecount= <%=count%> ;
function changelocation(locationid)
{
document.form.nsort_id.length = 0;
var locationid=locationid;
document.form.nsort_id.options[0] = new Option( '二级分类 ', ' ');
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.form.nsort_id.options[document.form.nsort_id.length] = new Option(subcat[i][0], subcat[i][2]);
}
}
}
</script>
<%
sql = "select * from nnsort "
rs.open sql,conn,1,1
%>
<script language = "javascript ">
var onecount2;
onecount2=0;
subcat2 = new Array();
<%
count2 = 0
do while not rs.eof
%>
subcat2[ <%=count2%> ] = new Array( " <%= trim(rs( "nnsort_name "))%> ", " <%= trim(rs( "nsort_id "))%> ", " <%= trim(rs( "nnsort_id "))%> ");
<%
count2 = count2 + 1
rs.movenext
loop
rs.close
%>
onecount2= <%=count2%> ;
function changelocation2(locationid)
{
document.form.nnsort_id.length = 0;
var locationid=locationid;
var j;
document.form.nnsort_id.options[0] = new Option( '三级分类 ', ' ');
for (j=0;j < onecount2; j++)
{
if (subcat2[j][1] == locationid)
{
document.form.nnsort_id.options[document.form.nnsort_id.length] = new Option(subcat2[j][0], subcat2[j][2]);
}
}
}
</script>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> JS三级连动下拉框 </title>
</head>
<body>
<form name= "form " method= "post " action= " ">
<select name= "sort_id " onChange= "changelocation(document.form.sort_id.options[document.form.sort_id.selectedIndex].value);changelocation2(document.form.nsort_id.options[document.form.nsort_id.selectedIndex].value); ">
<option selected> 一级分类 </option>
<%
sql= "select * from sort "
rs.open sql,conn,1,1
do while not rs.eof
%>
<option value= " <%=rs( "sort_id ")%> "> <%=rs( "sort_name ")%> </option>
<%
rs.movenext
loop
rs.close
%>
</select>
<select name= "nsort_id " onChange= "changelocation2(document.form.nsort_id.options[document.form.nsort_id.selectedIndex].value); ">
<option selected> 二级分类 </option>
</select>
<select name= "nnsort_id ">
<option selected> 三级分类 </option>
</select>
</form>
</body>
</html>
<%
set rs=nothing
conn.close
set conn=nothing
%>
只有两级有反应！
[解决办法]
大概看起来没什么错
把错误讯息贴出来
[解决办法]
asp就是这样，不喜欢
[解决办法]
看看有没有出现脚本错误，最好将生成的html贴来