<asp:panel id=showpanel runat = server visible=true>
<asp:button1 id = bt1 ruant = server>
<asp:button1 id = bt1 ruant = server>
......
</asp:panel>这样只要控制 showpanel的 visible 属性就可以控制那一组控件的显示和隐藏
<asp:button1 id = bt1 ruant = server>
<asp:button1 id = bt1 ruant = server>
......
</asp:panel>这样只要控制 showpanel的 visible 属性就可以控制那一组控件的显示和隐藏
..................
</div>