MasterPage.Master 属性

定义

获取嵌套母版页方案中当前母版页的父级母版页。

public:
 property System::Web::UI::MasterPage ^ Master { System::Web::UI::MasterPage ^ get(); };
[System.ComponentModel.Browsable(false)]
public System.Web.UI.MasterPage Master { get; }
[<System.ComponentModel.Browsable(false)>]
member this.Master : System.Web.UI.MasterPage
Public ReadOnly Property Master As MasterPage

属性值

当前母版页的父级母版页;如果当前母版页没有父级,则为 null

属性

示例

本部分包含三个代码示例。 第一个代码示例演示如何创建嵌套母版页. 。第二个代码示例演示如何引用在第一个代码示例中创建的母版页。 第三个代码示例演示如何使用内容页来引用在第二个代码示例中创建的母版页。

下面的代码示例演示如何创建嵌套母版页,并表示名为 的 ParentMasterPage_1父母版页。

<%@ Master Language="C#" %>  

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">  

<html >  
<head runat="server">  
    <title>Nested Master Page Example</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <h1>This is content in the parent master page.</h1>  
    <div>  
        <asp:contentplaceholder id="ContentPlaceHolder1" runat="server">  
        </asp:contentplaceholder>  
    </div>  
    </form>  
</body>  
</html>  
<%@ Master Language="VB" %>  

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">  

<html >  
<head runat="server">  
    <title>Nested Master Page Example</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <h1>This is content in the parent master page.</h1>  
    <div>  
        <asp:contentplaceholder id="ContentPlaceHolder1" runat="server">  
        </asp:contentplaceholder>  
    </div>  
    </form>  
</body>  
</html>  

下面的代码示例演示如何使用名为 ChildMasterPage_1 的嵌套母版页,该母版页引用在前面的代码示例中创建的母版页。

<%@ Master Language="C#" MasterPageFile="~/ParentMasterPage_1cs.master" %>  

<asp:Content Runat="Server" ContentPlaceHolderID="ContentPlaceHolder1">  
    <h2>This is the content of a nested Master Page.</h2>  
    <div>  
        <asp:contentplaceholder id="ContentPlaceHolder2" runat="server">  
        </asp:contentplaceholder>  
    </div>  
</asp:Content>  
<%@ Master Language="VB" MasterPageFile="~/ParentMasterPage_1vb.master" %>  

<asp:Content Runat="Server" ContentPlaceHolderID="ContentPlaceHolder1">  
    <h2>This is the content of a nested Master Page.</h2>  
    <div>  
        <asp:contentplaceholder id="ContentPlaceHolder2" runat="server">  
        </asp:contentplaceholder>  
    </div>  
</asp:Content>  

下面的代码示例演示如何使用名为 ContentPage 的内容页,该页引用 ChildMasterPage_1 在前面的代码示例中创建的 。

<%@ Page Language="C#" MasterPageFile="~/ChildMasterPage_1cs.master" Title="Untitled Page"%>  

<asp:content runat="server" contentplaceholderid="ContentPlaceHolder2">  
This is the content of a Content control.  
</asp:content>  
<%@ Page Language="VB" MasterPageFile="~/ChildMasterPage_1vb.master" Title="Untitled Page"%>  

<asp:content runat="server" contentplaceholderid="ContentPlaceHolder2">  
This is the content of a Content control.  
</asp:content>  

注解

属性 Master 是只读的,因为无法在运行时生成母版页层次结构。

适用于

另请参阅