再问一个关于联动菜单的问题
联动菜单问题
我找到了一个可以用的二级下拉菜单,由于我页面里可能要用到好几个二级下来单,不知道会不会冲突?应该怎么改?代码如下:
<%
dim conn,connstr,db
db="database.mdb"
Set conn = Server.CreateObject("ADODB.Connection")
connstr="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(""&db&"")
conn.Open connstr
If Err then
Err.Clear
Set conn = Nothing
Response.write "系统调整中......请稍候再试!!"
Response.End
End If
dim rs
dim sql
dim count
set rs=server.createobject("adodb.recordset")
sql = "select * from [Product_Type] order by iPT_ID asc"
rs.open sql,conn,1,1
%>
<script language = "JavaScript">
var onecount;
subcat = new Array();
<%
count = 0
do while not rs.eof
%>
subcat[<%=count%>] = new Array("<%= trim(rs("sPT_Name"))%>","<%= trim(rs("iPT_PC_Name"))%>","<%= trim(rs("sPT_Name"))%>");
<%
count = count + 1
rs.movenext
loop
rs.close
%>
onecount=<%=count%>;
function changelocation(locationid)
{
document.myform.SmallClassName.length = 1;
var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.myform.SmallClassName.options[document.myform.SmallClassName.length] = new Option(subcat[i][0], subcat[i][2]);
}
}
}
</script>
</head>
<body>
<form method="post" name="myform">
<%
sql = "select * from [Product_Class]"
rs.open sql,conn,1,1
if rs.eof and rs.bof then
response.write "请先添加栏目。"
else
%>
<select name="BigClassName" onChange="changelocation(document.myform.BigClassName.options[document.myform.BigClassName.selectedIndex].value)" size="1">
<option selected value="">请选择大类</option>
<%
do while not rs.eof
%>
<option value="<%=trim(rs("sPC_Name"))%>"><%=trim(rs("sPC_Name"))%></option>
<%
rs.movenext
loop
end if
rs.close
%>
</select>
<select name="SmallClassName">
<option value="" selected>选择小类</option>
<%
sql="select * from [Product_Type]"
rs.open sql,conn,1,1
if not(rs.eof and rs.bof) then
do while not rs.eof
%>
<option value="<%=rs("sPT_Name")%>"><%=rs("sPT_Name")%></option>
<%
rs.movenext
loop
end if
rs.close
%>
</form>
</body>