< % @ Master Language="C#" MasterPageFile="~/ParentMaster.master" AutoEventWireup="false" CodeFile="OneColumnMaster.master.cs" Inherits="OneColumnMaster" %> <asp:Content ID="Content1" ContentPlaceHolderID="contentMain" Runat="Server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server"> </asp:ContentPlaceHolder> <asp:ContentPlaceHolder ID="oneColumnContent" runat="server"> </asp:ContentPlaceHolder> </asp:Content> < % @ Master Language="C#" AutoEventWireup="true" CodeFile="ParentMaster.master.cs" Inherits="ParentMaster" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <link href="App_Themes/Simple/Default.css" rel="stylesheet" type="text/css" /> <title>Parent Master Page</title> <style type="text/css"> .style2 { text-align: center; } .style3 { font-size: xx-large; } </style> </head> <body> <form id="form1" runat="server"> <div> <div id="Header" class="style3" style="background-color: #C0C0C0"> Hello World</div> <div id="body"> <hr /> <br /> <asp:ContentPlaceHolder id="contentMain" runat="server"> </asp:ContentPlaceHolder> <br /> <hr /> </div> <div id="Footer" class="style2" style="background-color: #C0C0C0"> @PAGE FOOTER </div> </div> </form> </body> </html>