[C#] Nested Master Page Not Firing Page_Load Event?

Jun 25, 2009

I have used the information from MSDN to create a nested master page. I want a main master page for my site, and a nested master page for my Administration panel. In the CS code for the nested master, I am checking the logged in state against my session in the Page_Load event, but that event never fires. How can I make that event fire on the nested master page? here is how my solution and pages are setup:

/MainMaster.Master (this Page_Load event fires)
/Default.aspx (MainMaster.master child) (this page load event fires)
./Admin/Admin.Master (MainMaster.Master child) (this page load event doesn't fire)
./Admin/Default.aspx (Admin.Master child) (this page load event fires)


Event Of Master Page Not Firing

Jul 23, 2010

I put a break point at the protected void Page_Load(object sender, EventArgs e) method of my master page, but when i start the site it does not hit that break point.

Why is the event not firing? I would like to use this event along with others such as the Init event in order to check to see if the session has expired everytime a page loads...

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AJAX :: Event Handler Not Firing Using Master Page

Jul 30, 2010

I have the following Master Page


Which is used in the following Page


With the following code behind


The trouble is while the event handler for the btnSearch fires, the same can not be said for the btnSave handler.

Anyone see what obvious thing I have missed.

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Custom Server Controls :: Composite Control EVENT NOT FIRING When Using With Page Having A Master Page

Feb 5, 2009

am creating a custom composite control to upload file having and FileUpload and Button inside my custome control. My control is working fine with stand alone page (page which don't have master page) but when i use with page having master page the Button click event used inside my custom control dont get fired.


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Master Page And Content Page Event Firing Sequence?

Aug 22, 2010

When master page event fires, content page events are fired first,

is there any content page event that fires after the master page events.

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Web Forms :: Master Page Event Not Firing On Remote Web Server

May 18, 2010

I have a master page with a login box on it. Inside the login box is a button -


NOW ... On my local dev machine this code works fine. The control fires the event and everything is how it should be. When I run this site on a remote web server (tried two of them - both IIS7 running on 2008 R2) the event is never called. I added some logging to see what is happening and the PostBack event on the Master Page does not happen when the button is clicked - the page is just reloaded.

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AJAX :: Enabled Page_load Event Firing Twice?

Dec 4, 2009

I have a page on which there is a textbox that is in update panel and has text changed event and autopostback=true. On the same page there is a 'Retrieve' button outside the updatepanel. Now what is happening is if user inputs data in the textbox and clicks retreive button page_load event is firing twice which is not what should be happening, one time its the partial postback due to the text changed event and second time is the page post back. I would like to restrict the second postback.

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Web Forms :: Menu In Top Level Master Page Not Firing MenuItemClick Event?

May 4, 2010

I have a fairly complex web app which has two levels of master page. The top level provides a nav bar constructed from a Menu control across the top of the page. Second level master pages provide menus down the side. It all works well.

On both Menu controls, I need to handle the MenuItemClick event. This works fine on the Menu controls on the second-level master pages. However, the Menu on the top level master does not raise the event at all.

This web site makes extensive use of Ajax and the top-level master page contains the ScriptManager. Before I go to all the work of creating a much simpler test site, why the Menu control is not raising the MenuItemClick event?

Here is the markup for the Menu in the top-level master:


Here is the MenuItemClick event handler:


The logging call in the event handler never gets called. Equivalent code in the Menu on the second-level master does get called.

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Web Forms :: Master Page Load Event Firing Multiple Times

Jan 27, 2010

am using a master page, with children pages.

I am using forms authentication, and a session object to hold user information once the user is authenticated.

I am able to login and log out. I am able to log in and use the "remember me" functionality of the forms authentication.

When attempting to test the "remember me" functionality, the master page load event contains code to check the forms authentication & remember me, and retrieve user info from the database to automatically log the user in. This fires correctly, and the screens all load with the user successfuly logged in, and the users info is successfully stored in a session object.

Without touching anything on the screen, a moment passes and then the master page load event spontaneously fires again, Page.User.Identity.Name still contains the user name, however the session variable is now null, and throws an error.If I tell it to run past this error, it does, and the application continues to function normally, withthe session variables set correctly.

Its almost as if that second firing is ina different session, or something.

I have no problem posting code, but I have a profile class holding / handling the session communication, etc so it is a bit cumbersome.

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C# - Facebook Iframe Application ,with Master Page, Doesn't Firing OnSelectedIndexChanged Event

Jun 30, 2010

this is my radio button list:


this is the code behind:


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Web Forms :: CheckedChanged Event Not Firing When Checked Property Set On Page_Load

Jul 21, 2010

I have a web form with two RadioButtons, both use the same GroupName, both have AutoPostback enabled and both have an event handler for CheckChanged. I use tem to show/hide a Panel further down the form which is contained in an UpdatePanel with Conditional Update set and with both CheckedChanged events in the Triggers collection:


Now, the problem arises when I set the Checked property of either RadioButton in Page_Load, which results in the even not firing for the button which was marked as Checked (the event for the radio button whose property was not assigned does get fired). In fact, upon inspecting the source there was no 'onclick' attribute declared for the input element that was marked as checked in the Page_Load, whereas the other RadioButton did have the 'onclick' attribute properly set.

The layout of the form doesn't allow me to place the radio buttons within the UpdatePanel, so that is out of the question. Is the behavior explained above normal? am I missing anything? Both events fire once the assignment to the Checked property is removed from Page_Load.

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Web Forms :: Nested MultiView - ActiveViewChanged Event Not Firing

Dec 5, 2009

I come accross one situation where, I have nested multiviews. On top level multiview -> Two Views inside Top one. Each View contains one UserControl Each user control is having one multiview. I need to handle ActiveViewChanged event of each Multiview in application. Here propblem i'm facing is, on page load I set 1st view in top level multiview and when view change occurs it sets 1st view inside its multiview. When I move to second view from top multiview, it fires active view changed event of top multiview. In this event I'm setting 1st view of inner multiview of 2nd usercontrol. But on change it doesn't fires activeviewchanged event. So this is the issue with inner multiview when gets activated on postback.

I'm adding ActiveViewChanged event on pageInit event. Also tried setting it from ascx source. on debugging it attaches handler poperly before changing view. Also checked that view index is -1 before changing it to 0 / setting to View. everything works fine except ViewChanged event handler call.

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Webforms - Page_Load Is Firing Twice In Page..

Jan 24, 2011

Asp.net page_load function is loading twice.. hence it affects my page performance.

Does anyone know the reason it is loading twice.

No, iam not calling the page load function anywhere...

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C# - Why Is Page_Load Not Firing After Coming Back From Another Page

Feb 17, 2010

Let's say I have two pages on the same ASP.NET C# WebSite:

Page1.aspx does things in the Page_Load event
I navigate to Page2.aspx using the menu
Page2.aspx does some things then Response.Redirect back to Page1.aspx
Page1.aspx cannot do things in Page_Load event this time because it never fires.

I tried to turn off cache declaratively, tried using true for endResponse in my redirect... nothing seems to make a difference.

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C# - Accessing Top Master Page Properties In A Nested Master Page Code Behind?

Feb 18, 2010

I have a nested master page that has its own master page. The parent master page has a property defined in its code behind.

Public ReadOnly Property SelectedPage() As String
Return _selectedPage
End Get
End Property

How can I reference the parent master page's property from within either the child master page's code behind Page_Load or aspx template page?

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Web Forms :: Changes In Master Page Does Not Apply To Nested Master Pages

Aug 4, 2010

I got a Master page and nested master pages in the subfolders.

Top Level Master page

Second Level Master page inherited Top Level Master page

Third Level Master page inherited Second Level Master page

However, changes (i.e. new images & alt. name) that I made in the Top level master page did not apply to the second or third levels.My webpage has a correct front page but not in the sections. How can i correct this ?

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Web Forms :: Get Nested Master Page From Main Master Page

May 30, 2010

I'm trying to dynamically change the look of my main master page depending on what nested master page that the current content page is using .

So for example.

Main master page = main.master
My nested page = nested.master (uses main.master)
content page = content.aspx (uses nested.master)

So in the Page_Load event of main.master I want to add a switch statement that will check to see what nested master page is currently being used by content.aspx, or whatever content page is loaded.

So far I have got

protected void Page_Load(object sender, EventArgs e)
string nMaster = //This is the line of code that I am looking for.
case "nested.master":
//all my logic here.

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Web Forms :: Event Not Firing On Multiple Master Pages?

Aug 17, 2009

I have a page inherited from multiple master pages. This is what I have

Main Master --> Second master --> Applicant Page

I can see the page load firing from the Main Master and Applicant Page but not from the Second master

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Web Forms :: MenuItemClick Event Not Firing On "child/nested" Nodes

Jan 13, 2010


MenuItemClick event will fire on Page1 and Page2 but not Page3 or Page4. The page will post back but will not fire MenuItemClick event. When mouse hovers over the page1 thru page4 nodes IE status bar at bottom shows javascript:__doPostBack('ctl00$Menu1','\/page?.aspx') where ? = 1,2,3,4. I can delete Parent 1 and page1&2 nodes and page3&4 will fire MenuItemClick. Its as though any child nodes after the initial set will not fire the MenuItemClick event.

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Web Forms :: Master Page / Page_Load Called Three Times

Jul 7, 2005

I'm spending a little time learning about the new features in ASP.NET,2005 beta2 and came across a little problem with master pages. I have a simple statement in the Page_Load event of the MasterPage and ContentPage, like so:

public partial class TestMasterPage : System.Web.UI.MasterPage
protected void Page_Load(object sender, EventArgs e)

why Page_Load is called three times for the master page? I don't get it.

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Web Forms :: Hide Control On Master Page Using Page_Load?

Jul 8, 2010

I have a master page (frame.Master) and a content page (default.aspx) that uses frame.Master. Within frame.Master I have an ASP Panel control (pnlQuote). I do not want pnlQuote within frame.Master to be visiable when default.aspx loads. Normally I use the following code within Page_Load of the default.aspx.cs page: this.pnlQuote.Visible = false; however this does not work because pnlQuote is within frame.Master.

correct code to hide pnlQuote within frame.Master when default.aspx is loaded?

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MVC :: Call Nested Master Page From Master Page

Jan 4, 2011

here i wan to call nested master page from my base master page, can it work?

coz when i add new nested master page, it allow me to add and when i show in design of nested masterpage, it will link together,but how i make a button in master page to view the nested master page in master page's contain.

here ar the code i implemented:



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Web Forms :: Changing Nested Master Page Contents Form Content Page

Dec 23, 2010

Following is the structure of the pages in application


Suppose the user is on ..../paycheck.aspx which is the content page. But when ...../paycheck.aspx loads, "lnkDynamic" properties "Text and PostBackUrl" must be set. Which events should be handled .....

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Web Forms :: To Access A Public Property In A Master Page From A  Nested Content Page

Apr 26, 2010

to whom it may concern,

I wish to access a public property in a master page from a nested content page

is there anyway to do that without using "master type"

i found this link


but i dont understand what "companywide" is

((CompanyWide)this.Master.Page.Master).HtmlTitle = "now it is working";

i dont want to use "MasterType" i would rather cast..

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C# - Listing All Nested User Controls From A Master Page On Page Load?

Dec 1, 2010

On page load is there a way to enumerate all the nest user controls for that specific page load?

I'd like to be able to enumerate all the user controls that implement an interface, and call the interface method for the controls before asp.net passes control to thier page_load events.

The problem is from the master page level, any page in the app could be loading, and each of them could have any random user control, and I need the type reference to determine if they implement the interface, and to call the method.

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Access <body Element From Content Page Via A Nested Master Page

May 19, 2010

All I want to do is access the <body> element from the code-behind of a content page and add a class name to it.

I have a top-level master page with the <body> element in it. Then I have a nested master page which is the master page for the content page. From the code behind of the content page I want to add a class name to the body element. That's all.

I have this in the top-level master:

<body id="bodyNode" runat="server">

I added this to the code-behind for the content page:

Master.bodyNode.Attributes.add("class", "home-page");

And I get a message that:

System.Web.UI.MasterPage' does not contain a definition for 'bodyNode

If I add this to the aspx content page:

<% @ MasterType VirtualPath="~/MasterPage.master"%>

The message then changes to:

bodyNode is inaccessible due to its protection level

I've wasted like 2 hours on what feels like something that should be really simple to do

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Access A DropDownList Selected Value In A User Control From A Content Page(nested Master Page)

Feb 20, 2009

I have a DropDownList box in a user control called DDLs.ascx. i have a content page called

Sample.aspx which is based on a nested master page. the master pages are called
parentMP.master and childMP.master. now i am calling the user control(DDLs.ascx) in the childMP.master like below
<%@ Register TagPrefix="ddls" TagName="dropdownboxes" src="~/test/DDLs.ascx" %>

now as i said there are 2 Dropdownlist boxes ( ddl1 and ddl2) in this user control.what i want is to access the selected value of these dropdownboxes in the content page and pass them to the another set of dropdownboxes ( sampleDDL1 and sampleDDL2) which are in the content page( Sample.aspx)

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How To Load Iframe Content Page Nested Within A Master Page

Nov 16, 2008

I am relatively new to asp.net, and I am having a problem with an iframe placed on a content page nested within a master page. When the iframe loads, it is placed correctly on the page briefly, and then jumps to the upper right hand corner in another layer.How do I prevent the iframe from jumping? Is there another way around this?The iframe was working correctly before I converted the page to an asp.net webform.


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Displaying Custom Error Page From A Nested Master Page Using Mvc

Oct 27, 2010

I am showing Custom Error in my page.. if somehting happend wrong. but if the same error occured in my subview master page I am not able to show the Custom error page on Entire page its showing me that Error page under subview master page. Please I am attaching the Screen shot. how to show the Error page on entire page if something happend in any where submaster or other page.. Here is the code that I am using in web config file to show custom Error page..

<customErrors mode="On" defaultRedirect="~/Home/Error">
<error statusCode="403" redirect="~/Home/Error" />
<error statusCode="404" redirect="~/Home/Error" />

master page I have all the js files and Css files links and I have submaster page for mainmaster page.. sub master page have three tabs each tab has grid control.if something went wrong I can able to show the Custom Error page but its showing me in submaster page.. not in main master page.....but if something hapend any where I need to show CustoM Error page in main master page..

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Web Forms :: Page_load Event Is Not Fired After The Page Loaded Once?

Apr 29, 2010

My aspx page is not showing latest data after reopen the page.. but after save data it shows latest information.

If I close the project and rerun the project then it shows latest data.

Interesting metter is the page_load event is not fired after thie page loaded once.

If I delete temporary internet files from tools-->internet option then the page reloaded.

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Configuration :: No Event Fires Except Page_load In Aspx Page?

Aug 12, 2010

I have a page which contains linkbuttons and panels. all panels have DetalilView and gridView controls. On click of linkbutton, panel's visibility is set. everything works fine on my local server. But on production server, no events of Button, DetailsView and GridView fires.

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Changes In Master Page Doesn't Apply To Nested One?

Aug 4, 2010

I got a Master page and nested master pages in the subfolders. Top Level Master page Second Level Master page inherited Top Level Master page Third Level Master page inherited Second Level Master page However, changes (i.e. new images & alt. name) that I made in the Top level master page did not apply to the second or third levels. My webpage has a correct front page but not in the sections.

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Controlling Stylesheets For A Nested Master Page?

Jun 12, 2009

I'm using masterpages for my beta website. It took a lot of finagling because you can't insert runat server into a <link>, but I finally got my CSS stylesheet is built into the nested masterpage like so...

<head runat="server">
<link rel="stylesheet" type="text/css" media="all" title="ecstylesheet" href="~/Root/CSS/Primary.css" />

I would like to insert the <link> inside a contentplaceholder so that I can call a different style sheet if I need to just by adding a corresponding content tag on the content page. If I don't add the content tag, it will pull the default <link> from the nested master you see above. Except...

as soon as I put the <link> inside a contentplaceholder, .NET ceases to process the link correctly. The style sheet doesn't display because the href remains href="~/Root/CSS/Primary.css" in the final HTML output.

1. Adding a runat="server" to the link tag as well.

2. Using an absolute reference e.g. "/webroot/..." however, my production server (in shared hosting) and dev box disagree. When I do Ctrl+F5 on my dev box with Visual Web Developer it expects "/webroot/myfolder/CSS/Primary.css" but my production server (in shared hosting) needs "/myfolder/CSS/Primary.css" to work correctly. Any help getting them to read the same way would let me use this technique.

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Web Forms :: How To Get To Control From Nested Master Page

Jul 1, 2010

I have a master page and a nested master page... I am trying to get to a control on the master page however I just cannot seem to figure out how to do it.I thought I might need to add both tags on the page however this didn't seem to work... Could someone me understand what i need to do.


I have found a way to do it in the back end... I am just wondering how it works using these tags.

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Adding A TabPanel On A Nested Page From A Master Page?

Feb 3, 2010

I come from a windows dev environment so the web makes me feel like a big dummy.

I am using VS2008, VB.NET, 3.5 Framework, ASP.NET, AjaxControlToolkit.

I have included a screen shot that might help to look at while you read my attempt to explain my issue below!

I just recently discovered in a book here on my desk how to interact with a master page programmatically from a nested master page or a regular aspx child page. The method they describe makes sense and is familar to me because they use Public Properties on the master page to manipulate the GUI and controls on the master page. But since they are public, the child pages can see them and fire them off. Makes sense.

I thought I could use this method to do the opposite of that and have the master page fire off something (say a public property in a nested page) to have it then do some work and update things on that nested page.

For example,

I have a MASTERPAGE.MASTER. Under that, I have a LEFTNAV.MASTER (so its a nested master page). Then, under that I have my default.aspx page.

(I did that so that for some of my regular aspx pages I could just tie them directly to the master page so that they dont have a left navigation page...like for big charts or graphs, etc. Is that the best way for that by the way?)

So on the masterpage, I have just a simple asp.net search textbox and an asp.net search button. When they type something in and click search, I want it to add a tab to the AJAXControlToolkit - TabPanel that I have on the default.aspx page, then some other things such as update a datagridview there with the search results.

I can do all of this except the event firing and scope. I cannot see a way to make a button on the master page up top fire off an event that is on the default.aspx page to make it do what it needs to do.

What I tried doing was creating a public property on my default.aspx page. I have some actual code in the SET to do some GUI manipulation and change some stuff on the page. But on my master page within the search button's click event, I cannot see where to call this public property on the default.aspx page...

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Page With Base Class With Dynamic Master Page Not Firing Events

May 3, 2010

I am feeling that I have terribly wrong somewhere. I was working on a small asp.net app. I have some dynamic themes in the heme folder and have implemented a page base class to load the master page on the fly. The master is having the ContentPlaceHolder like: <asp:ContentPlaceHolder ID="cphBody" runat="server" />

Now I am adding pages that are derived from my base class and added the form elements. I know, Visual Studio has problem showing the page in the design mode. I have a dropdown box and wish to add the event of onselectedindexchange. But it is not working. the page is like this:

<%@ Page Language="C#" AutoEventWireup="true" Inherits="trigon.web.Pages.MIS.JobStatus" Title="Job Status" AspCompat="true" CodeBehind="JobStatus.aspx.cs" %>
<asp:Content ID="Content1" ContentPlaceHolderID="cphBody" runat="Server">
<div id="divError" runat="server" />
<asp:DropDownList runat="server" id="jobType" onselectedindexchange="On_jobTypeSelection_Change"></asp:DropDownList>

I have also tried adding the event on the code behind like:

protected void Page_Load(object sender, EventArgs e)
jobType.SelectedIndexChanged += new System.EventHandler(this.On_jobTypeSelection_Change);
if (!IsPostBack)
JobStatus_DA da = new JobStatus_DA();
jobType.DataSource = da.getJobTypes();

protected void On_jobTypeSelection_Change(Object sender, EventArgs e)
//do something here

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Looking For The Order Of Firing Events Between Master Page And Content Page?

Feb 10, 2010

When does an event of a master page fire? What is the order of firing events between Master page and Content page in asp.net?

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Web Forms :: How To Make A Three Column Nested Master Page

Aug 18, 2009

I have been trying to make a 3 column master page to start a project.

Global Master - Consist of a header and footer

Left Column Master - left column navigation

Right column master - A right column for news and advertisements.

The center for content and controls.

I maybe going about this the wrong way. The design aspects are holding me up. I am using a generic 3 column template for the html/css layout.

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Web Forms :: Access Web Control On Nested Master Page?

Jun 3, 2008

I have a problem accessing TreeView control that I have on Nested Master Page.I have Default.aspx which has RightSide.master as a master page and MasterPageFile for RightSide.master is SiteMaster.master

For RightSide.master :

<%@ Master


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Web Forms :: Adding CSS Attribute To Nested Master Page?

Oct 29, 2010

i'm trying to add a CSS class to a control in a nested master page.what i usually do with a master page is adding this to the nested page:


after i give id=left_a and runat=server to a control in the master page.but when i tried to do it from a page nested in a nested masterpage, it gives me an error.what i want to do i add a class to a control in the nested master page from the nesting page.

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