<%@ MasterPage %>
<pre>[[[[[[[[[[[[[[[[[</pre>
<asp:ContentPlaceHolder id="mainholder" runat="server">This is the default</asp:ContentPlaceHolder>
<pre>]]]]]]]]]]]]]]]]]</pre>
<%@ MasterPage %>
<pre>[[[[[[[[[[[[[[[[[</pre>
<asp:ContentPlaceHolder id="mainholder" runat="server">This is the default</asp:ContentPlaceHolder>
<pre>]]]]]]]]]]]]]]]]]</pre>