Modify a control in a Master Page by using the FindControl() method in a content page. : Master page « Development « ASP.NET Tutorial






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  2. Development
  3. Master page
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">
        .content
        {
            margin:auto;
            width:700px;
            background-color:white;
            padding:10px;
        }
        h1
        {
            border-bottom:solid 1px blue;
        }

    </style>
    <title>Find 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>

File: Default.aspx

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

    void Page_Load()
    {
        if (!Page.IsPostBack)
        {
            Literal ltlBodyTitle = (Literal)Master.FindControl("ltlBodyTitle");
            ltlBodyTitle.Text = "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>








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