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Listing 5.16 - PropertyMaster.master

Illustrates how to expose a property from a master page that can be modified by a content page.

Listing 5.16 - PropertyMaster.master (C#)
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<%@ Master Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">

    public string BodyTitle
    {
        get { return ltlBodyTitle.Text; }
        set { ltlBodyTitle.Text = value; }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <style type="text/css">
        html
        {
            background-color:silver;
        }
        .content
        {
            margin:auto;
            width:700px;
            background-color:white;
            padding:10px;
        }
        h1
        {
            border-bottom:solid 1px blue;
        }
    </style>
    <title>Property Master</title>
</head>
<body>
    <form id="form1" runat="server">
    <div class="content">
    <h1><asp:Literal ID="ltlBodyTitle" runat="server" /></h1>
    <asp:contentplaceholder 
        id="ContentPlaceHolder1" 
        runat="server" />
    </div>
    </form>
</body>
</html>

The following page uses the Master Page above.

Listing 5.17 - PropertyContent.aspx (C#)
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<%@ Page Language="C#" MasterPageFile="PropertyMaster.master" %>
<%@ MasterType VirtualPath="PropertyMaster.master" %>
<script runat="server">

    void Page_Load()
    {
        if (!Page.IsPostBack)
        {
            Master.BodyTitle = "The Body Title";
        }
    }
</script>
<asp:Content 
    ID="Content1" 
    ContentPlaceHolderID="ContentPlaceHolder1" 
    Runat="Server">
    Content, Content, Content, Content
    <br />Content, Content, Content, Content
    <br />Content, Content, Content, Content
    <br />Content, Content, Content, Content
    <br />Content, Content, Content, Content
</asp:Content>