在ASP.NET Web应用程序中创建嵌套母版页,可以通过以下步骤实现:
以下是一个简单的示例代码:
NestedMaster.master:
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="NestedMaster.master.cs" Inherits="WebApplication1.NestedMaster" %>
<!DOCTYPE html>
<html>
<head runat="server">
<title>Nested Master Page</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</form>
</body>
</html>
NestedChild.master:
<%@ Master Language="C#" MasterPageFile="~/NestedMaster.master" AutoEventWireup="true" CodeBehind="NestedChild.master.cs" Inherits="WebApplication1.NestedChild" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<asp:ContentPlaceHolder ID="ContentPlaceHolder2" runat="server">
</asp:ContentPlaceHolder>
</asp:Content>
NestedContent.aspx:
<%@ Page Language="C#" MasterPageFile="~/NestedChild.master" AutoEventWireup="true" CodeBehind="NestedContent.aspx.cs" Inherits="WebApplication1.NestedContent" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder2" runat="server">
<h1>Nested Content Page</h1>
</asp:Content>
以上示例代码中,NestedMaster.master是母版页,NestedChild.master是子母版页,NestedContent.aspx是内容页。在子母版页中设置了MasterPageFile属性,指向母版页的路径,在内容页中设置了MasterPageFile属性,指向子母版页的路径。在子母版页中添加了一个ContentPlaceHolder控件,用于嵌套内容页,在内容页中添加了一个Content控件,用于显示内容。运行应用程序后,访问内容页可以看到嵌套的母版页和内容页显示效果。
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