轻松实现无刷新三级联动菜单[VS2005与AjaxPro]

sp;    <td width="401">
              城市<asp:DropDownList ID="ddl1" runat="server">
              </asp:DropDownList>
              区域<asp:DropDownList ID="ddl2" runat="server">
              </asp:DropDownList>
              花园<asp:DropDownList ID="ddl3" runat="server">
              </asp:DropDownList></td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
      </table>
   
    </div>
    </form>
</body>
</html>
相关文件
http://www.cnblogs.com/Files/asboy/AjaxDropDownlist.rar
代码文件于2005-5-13更新过 列出了取值的方法