Using the Page Header Property : Master page « Development « ASP.NET Tutorial

To change the Title or Cascading Style Sheet rules in a Master Page, you can use the Page.Header property. 



File: Default.master

<%@ Master Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <style type="text/css">
        html
        {
            background-color:silver;
            font:14px Arial,Sans-Serif;
        }
        .content
        {
            margin:auto;
            width:700px;
            background-color:white;
            border:Solid 1px black;
        }
        .leftColumn
        {
            float:left;
            padding:5px;
            width:200px;
            border-right:Solid 1px black;
            height:700px;

        }
        .rightColumn
        {
            float:left;
            padding:5px;
        }
        .clear
        {
            clear:both;
        }
    </style>
    <title>Simple Master</title>
</head>
<body>
    <form id="form1" runat="server">
    <div class="content">
        <div class="leftColumn">

            <asp:contentplaceholder
                id="ContentPlaceHolder1"
                runat="server"/>

        </div>
        <div class="rightColumn">

            <asp:contentplaceholder
                id="ContentPlaceHolder2"
                runat="server"/>

        </div>
        <br class="clear" />
    </div>
    </form>
</body>
</html>

File: Default.aspx

<%@ Page Language="C#" MasterPageFile="~/Default.master" %>
<script runat="server">

    void Page_Load()
    {
        Page.Header.Title = String.Format("Header Content ({0})", DateTime.Now);

        Style myStyle = new Style();
        myStyle.BackColor = System.Drawing.Color.Red;
        Page.Header.StyleSheet.CreateStyleRule(myStyle, null, "html");
    }

</script>
<asp:Content
    ID="Content1"
    ContentPlaceHolderID="ContentPlaceHolder1"
    Runat="Server">
    Content in the first column
    <br />Content in the first column
    <br />Content in the first column
    <br />Content in the first column
    <br />Content in the first column
</asp:Content>

<asp:Content
    ID="Content2"
    ContentPlaceHolderID="ContentPlaceHolder2"
    Runat="Server">
    Content in the second column
    <br />Content in the second column
    <br />Content in the second column
    <br />Content in the second column
    <br />Content in the second column
</asp:Content>

9.35.Master page
	9.35.1.	What is a Master page
	9.35.2.	How Master Pages and Content Pages Are Connected
	9.35.3.	A Master Page enables you to share the same content among multiple content pages.
	9.35.4.	Dynamically change master page
	9.35.5.	Table layout master page
	9.35.6.	Simplest Master page
	9.35.7.	Multipart master page
	9.35.8.	Master page with default content
	9.35.9.	Change master page in page init event
	9.35.10.	Nesting Master Pages
	9.35.11.	Deal with the relative path between master page and content page
	9.35.12.	Using the Title Attribute
	9.35.13.	Using the Page Header Property
	9.35.14.	Modifies the Master Page tags (the tags used by search engines when indexing a page).
	9.35.15.	Exposing Master Page Properties
	9.35.16.	Modify a control in a Master Page by using the FindControl() method in a content page.
	9.35.17.	Associate different Master Pages dynamically with a content page
	9.35.18.	Loading Master Pages Dynamically for Multiple Content Pages