ASP高手请进
ASP中,下拉框A里有几行数据(是在数据库里读出来的),然后点此下拉框的某一个项,此项的value在另一个下拉框B中显示出来,请帮忙给个例子吧
做的好在多给50分,谢谢
参考答案:<td align="right">选择地区 </td>
<td height="40"><select name="addone_id" onChange="changelocation1(document.addform.addone_id.options[document.addform.addone_id.selectedIndex].value)">
<option value="" selected>请选择省</option>
<%
sql="select * from ypaddone order by date desc"
set rs=server.createobject("ADODB.Recordset")
rs.open sql,conn,1,1
while not rs.eof%>
<option value="<%=rs("addone_id")%>"><%=rs("addone")%></option>
<%rs.movenext
wend
rs.Close()
%>
</select>
<select name="addtwo_id">
<option selected value="">请选择市</option>
</select>