动态加载母版页中的Content

Question

<asp:Content ID="Content1" ContentPlaceHolderID="id1" runat="server"></asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="id2" runat="server"></asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="id3" runat="server"></asp:Content>
<asp:Content ID="Content4" ContentPlaceHolderID="id4" runat="server"></asp:Content>
<asp:Content ID="Content5" ContentPlaceHolderID="id5" runat="server"></asp:Content>如何让参数a=1时就不加载 id1 ,a=2 不加载 id2

Answer 1

谁能回个啊，比如 panel等能不能实现，要怎么实现