Master.master
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Master.master.cs" Inherits="Master" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Accessing Master Page From Content Page</title>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
<asp:ContentPlaceHolder ID="ContentPlaceHolder2" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form2" runat="server">
<div>
<p style="color: Red;">This text is from parent master page</p>
<asp:ContentPlaceHolder ID="ContentPlaceHolder3" runat="server">
</asp:ContentPlaceHolder>
<asp:Label ID="lblMasterMessage" runat="server" EnableViewState="false" />
</div>
</form>
</body>
</html>
Master.master.cs
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
public partial class Master : System.Web.UI.MasterPage
{
protected void Page_Load(object sender, EventArgs e)
{
}
}
Default.aspx
<%@ Page Language="C#" MasterPageFile="~/Master.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
</asp:Content>
Default.aspx.cs
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label lblMaster = (Label)this.Master.FindControl("lblMasterMessage");
if (lblMaster != null)
{
lblMaster.Text = "This text is written from Content Page";
}
}
}
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