Introduction:
In this article I will explain how to access or get content or child page controls from master page in asp.net.
In this article I will explain how to access or get content or child page controls from master page in asp.net.
Description:
In previous post I explained how to access content page controls from master page in asp.net. Now I will explain how to access content page controls from master page in asp.net.
In previous post I explained how to access content page controls from master page in asp.net. Now I will explain how to access content page controls from master page in asp.net.
To
get child or content page control values in master page first write the
following code in master page like this
MasterPage.Master
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Master Page with Controls</title>
<asp:ContentPlaceHolder id="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1"
runat="server">
MasterPage Label:
<asp:Label ID="lblMaster"
runat="server"
/>
MasterPage Textbox:
<asp:textbox ID="txtMaster"
runat="server"
/>
<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</form>
</body>
</html>
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After
that write the code in Content Page Default.aspx
will be like this
<%@ Page Language="C#"
AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default"
MasterPageFile="~/MasterPage.master"
%>
<asp:Content ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<fieldset id="fld">
<legend><b>Content Page</b></legend>
Content Page Label Value:
<asp:Label ID="lblContent"
Text="Sample
Content Page label Control" runat="server"/>
<br />
Content Page Textbox Value:
<asp:Textbox ID="txtContent"
Text="Sample
Content Page Textbox Control" runat="server"/>
</fieldset>
</asp:Content>
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After
that add following namespaces in MasterPage.master.cs
page in codebehind
C#
Code (MasterPage)
using System;
using System.Web.UI.WebControls;
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Now
add following code in code behind
protected void
Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Label cotentlbl = (Label)ContentPlaceHolder1.FindControl("lblContent");
TextBox contenttxt = (TextBox)ContentPlaceHolder1.FindControl("txtContent");
lblMaster.Text = cotentlbl.Text;
txtMaster.Text = contenttxt.Text;
}
}
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VB.NET
Code
(MasterPage)
Imports System.Web.UI.WebControls
Partial Public Class MasterPage
Inherits System.Web.UI.MasterPage
Protected Sub
Page_Load(ByVal sender As Object, ByVal e As
EventArgs)
If Not IsPostBack Then
Dim cotentlbl As Label = DirectCast(ContentPlaceHolder1.FindControl("lblContent"), Label)
Dim contenttxt As TextBox = DirectCast(ContentPlaceHolder1.FindControl("txtContent"), TextBox)
lblMaster.Text = cotentlbl.Text
txtMaster.Text = contenttxt.Text
End If
End Sub
End Class
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Demo
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2 comments :
This article (how to access child page controls from master page in asp.net.) helps for my project. Thanks
how to access the child page grid view values from master page.......