请高手帮忙看看这段代码如何实现,万分感谢
<%
Cata = request.form("Cata")
sqlModel="select Model from tblModel where Cata='" & Cata & "'"
set ModelRs=conn.execute(sqlModel)
%>
<script language="javascript">
function ModelChange(){
这里应如何写呢?
}
</script>
......
<select name="Cata" id="Cata" onchange=ModelChange()>
<option selected="selected" value=''>请选择</option>
<option value='A'>A</option>
<option value='B'>B</option>
<option value='C'>C</option>
<option value='D'>D</option>
<option value='E'>E</option>
<option value='F'>F</option>
<option value='G'>G</option>
<option value='H'>H</option>
<option value='I'>I</option>
</select>
//以下代码将显示与上面选择对应的列表,
<%
response.write "<select name='Model' id='Model' multiple>"
do while not ModelRs.eof
response.write "<option value="& ModelRs("Cata") &">" & ModelRs("Cata") & chr(13)
ModelRs.movenext
loop
ModelRs.close
set ModelRs=nothing
response.write "</select>"
%>