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Editorial Team
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Asked: 2026-06-01T14:11:58+00:00

I have 2 master pages that are nested.this is main master page code for

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I have 2 master pages that are nested.this is main master page code for example:

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPageMaster.master.cs" Inherits="MasterPageMaster" %>

<!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></title>
    <asp:ContentPlaceHolder id="head" runat="server">
    </asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
    <asp:TextBox ID="txtMasterPageMaster" ClientIDMode="Static" runat="server"></asp:TextBox>
    <div style="background-color:Aqua;height:40px;">
    Some Text
    </div>
    <asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">

    </asp:ContentPlaceHolder>
</div>
</form>

and the nested master page:

<%@ Master Language="C#" MasterPageFile="~/MasterPageMaster.master" AutoEventWireup="true"
CodeFile="MasterPageNested.master.cs" Inherits="MasterPageNested" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <asp:Panel runat="server" ID="panelMain" BackColor="lightyellow">
    <h2>
        Child master</h2>
    <asp:Panel runat="server" ID="panel1" BackColor="lightblue">
        <p>
            This is child master content.</p>
        <asp:ContentPlaceHolder ID="ChildContent1" runat="server" />
    </asp:Panel>
    <asp:Panel runat="server" ID="panel2" BackColor="pink">
        <p>
            This is child master content.</p>
        <asp:ContentPlaceHolder ID="ChildContent2" runat="server" />
    </asp:Panel>
    <br />
</asp:Panel>
</asp:Content>

and I create a page based on this nested master page:

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPageNested.master" AutoEventWireup="true" CodeFile="PageMasterPageNested.aspx.cs" Inherits="PageMasterPageNested" %>

<asp:Content ID="Content1" ContentPlaceHolderID="ChildContent1" Runat="Server">
</asp:Content>
    <asp:Content ID="Content2" ContentPlaceHolderID="ChildContent2" Runat="Server">
    <asp:Button ID="Button1" runat="server" Text="Button" Height="66px" 
    onclick="Button1_Click" Width="196px" />
</asp:Content>

I want in click of Button1 get text of main master page.

How I can do this?

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1 Answer

  1. Editorial Team

    In PageMasterPageNested.aspx:

    TextBox txtBox = this.Master.Master.FindControl("txtMasterPageMaster") as TextBox;

    Should work. Give it a try. Hope it helps.

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