Add UpdatePanel PostbackTrigger?

Apr 28, 2010

i need to add the PostackTrigger for the ContentPage Button Control. The update Panel in Master PAge

The Button Control in Content Page how to add PostBackTrigger for ContentPage Button Control

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Similar Messages:

AJAX :: UpdatePanel: What Is The Purpose Of PostBackTrigger

Jul 24, 2010

In documentation I have read:

„Use the PostBackTrigger control to enable controls inside an UpdatePanel to cause a postback instead of performing an asynchronous postback."

I made simple application and I do not see difference between using PostBackTrigger and standard postback.

I have three buttons: two inside update panel and one outside update panel. When I click btnUpdateAsync in event handler I set text property of lblUpdatePanel and lblNoUpdatePanel and only lbl that is inside update panel is chaned if web browswer - so this is ok.

Whant I click btnUpdateInUpdatePanelSync all page is refreshed and both lablels are changed in web browser.

When I click btnUpdateOutsideUpdatePanel I see the same behavior.

If I used button that is not associated with PostBackTrigger I would get the same behavior - so what is the purpose of PostBackTrigger?

This is my app:


protected void Page_Load(object sender, EventArgs e)
protected void LinkButton1_Click(object sender, EventArgs e)
protected void btnUpdateAsync_Click(object sender, EventArgs e)
lblUpdatePanel.Text = "btnUpdateAsync_Click";
lblNoUpdatePanel.Text = "btnUpdateAsync_Click";
protected void btnUpdateInUpdatePanelSync_Click(object sender, EventArgs e)
lblUpdatePanel.Text = "btnUpdateInUpdatePanelSync_Click";
lblNoUpdatePanel.Text = "btnUpdateInUpdatePanelSync_Click";
protected void btnUpdateOutsideUpdatePanel_Click(object sender, EventArgs e)
lblUpdatePanel.Text = "btnUpdateInUpdatePanelSync_Click";
lblNoUpdatePanel.Text = "btnUpdateInUpdatePanelSync_Click";

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PostBackTrigger Control Id / Assign To PostBackTrigger.ControlId?

Oct 21, 2010

I have an button ("export") to export data from grid to excel.

But it's inside an update panel. So I'm registering postback trigger.

What should I assign to PostBackTrigger.ControlId ???

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C# - UpdatePanel's PostbackTrigger That Is Inside A Usercontrol Inside A Masterpage?

Feb 24, 2011

I have a masterpage and inside that masterage is a user control that has a toolbar with a save button. I then have an aspx page that inherits form t he master page. In that page I have and updatepanel. Is it possible to set the post back trigger to the Save button inside the usercontrol?

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Different Between AsyncPostBackTrigger & PostBackTrigger?

Feb 6, 2011

What is the different between AsyncPostBackTrigger & PostBackTrigger really?

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UpdateProgress Doesn't Work With PostBackTrigger?

Mar 31, 2011

I know that UpdateProgress doesn't work with PostBackTrigger, but let me explain what i'm trying:

I'm generating a PDF document (Crystal Report) with ExportToHttpResponse that will be downloaded automaticaly by the browser.

So while the document is been generated, i'd like to show the UpdateProgress just while i'm waiting the doc is being generated, doing the UpdateProgress(or some label) to disappear.

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Asyncpostbacktrigger And Postbacktrigger With Same Control But Different Events?

Nov 2, 2010

In my UpdatePanel, the user can page, sort and filter a gridview all using AJAX, then they select a row which causes the post to post back and a textbox to be populated with the rows ID.

Problem is, it seems I can't register both an AsyncPostBackTrigger and a PostBackTrigger to the same control - so how would I accomplish this? Here are my triggers so far:


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AJAX :: Define The WizardFinishButton As A Postbacktrigger?

Apr 12, 2010

On a page for new users to register, I've placed a asp:wizard control in a updatepanel.Everything is working great, but now I want a new user to upload an image. This however requires a full postback.Is there any way to define the finishbutton of the wizard as a postbacktrigger while the next and previousbuttons remain asynchpostbacktriggers?

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AJAX :: What Is The Difference Beween AsyncPostBackTrigger And PostBackTrigger

Feb 23, 2011

In updatepanel we can use triggers with two methods AsyncPostBackTrigger and PostBackTrigger so I want to know what is different between these two as well how can we decide we need to go for which one.

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Web Forms :: Hooking Dynamic Controls Inside An Updatepanel As An Asynctrigger To Another UpdatePanel?

Oct 7, 2010

I have two update panels and one javascript control.

When the javascript button is clicked, it forces a partial postback on UpdatePanel2. UpdatePanel2 is populated with dynamically created buttons that have javascript effects (jquery) but when click can also induce a postback. My problem is that, when clicking on these dynamic buttons, the whole page does not do a partial post back but rather UpdatePanel2 itself does a partial postback and everything is gone.

However, what I want to do is be able to tie each of the dynamic buttons in UpdatePanel2 (After being dynamically created) and make them an asychnonous triggers to UpdatePanel1. So that when clicking on these dynamic buttons, ONLY UpdatePanel1 is doing a partial postback refresh. UpdatePanel2 stays put and remains the same.

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UpdatePanel Returns Error When Click On Linkbutton Which Is Inside UpdatePanel

Mar 26, 2010

i have Linkbutton inside updatePanel and when i click on it it returns following error

An extender can't be in a different UpdatePanel than the control it extends

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Web Forms :: Script Inside Updatepanel Disappears On Update Of Updatepanel?

Feb 14, 2011

I have a script inside an updatepanel. This script needs to be inside the updatepanel as it must be located in that spot.

Now when we click the "LinkButton" to update the updatepanel, the script will dissapear.

It seems that the script only is initiazed on the first Page_Load and Refresh of the page.

How can we keep it when pressing the "LinkButton"?

Complete code is below:


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AJAX :: Updatepanel Control / Drag Updatepanel On Asp Page It Is Not Resizable?

Mar 11, 2010

I am currently using a 2.0 with visual studio 2005.

I am trying to build a web application using ajax.

but when I drag the ajax updatepanel on page it is not resizable,so how should i put other controls on it?

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AJAX :: TabContainer And UpdatePanel - Embed An UpdatePanel In Order To Update Each Tab?

Oct 14, 2010

i am using a TabContainer and at each TabPanel i have embed an UpdatePanel in order to update each tab alone.

this is my code:


the problem is that it makes several seconds to update each tab (the same time for every tab) and i asume that this is happening because it updates all the TabContainer and not the selected Tab.

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Update Parent UpdatePanel From Child UpdatePanel - Conditionally?

Aug 17, 2010

I am trying to trying to setup an updatepanel to update every X seconds, the problem is I don't want the control to actually refresh unless there is new data. So I currently have a child updatepanel in a parent UpdatePanel, the child updatepanel gets refreshed by a timer. But I can't seem to find a way to trigger the parent panel to update. Again, only when certain conditions(data changed) are met.

Sample Code:


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AJAX :: UpdatePanel Doesn't Update Another UpdatePanel?

Jan 20, 2011

I have two updatepanels on my site (upanProfileSearch and upanMemberList). When I hit the button in the upanProfileSearch it should bind the Data Items in the gridview in upanMemberList and here make a RowFilter on the text in upanProfileSearch. When I make a run to curser, I can see, it happens. It makes a RowFilter. but it doesn't update the gridview. Can anyone tell me why it doesn't update? I have UpdateMode="Always" and RenderMode="inline" on both UpdatePanels.



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AJAX :: How To Change UpdatePanel Content From Another UpdatePanel

Jun 23, 2010

I have a dropdownlist, that causes a postback. On the SelectedIndexChanged event, is it possible to force a placeholder that is within a different UpdatePanel to change it's visibility?

For example, when the SelectedItem.Value of DropDownList1 is "1" then show Placeholder1, otherwise hide it.

What I am most interested in is how to configure the UpdatePanels to allow this.

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AJAX :: How To Implement Updatepanel Functionality Without Updatepanel

Nov 11, 2010

How to implement updatepanel functionality without updatepanel?

I am tring to use XMLHttpRequest but I am getting problem while redering a usercontrol containing postback controls in response of an Ajax request.

Here is my code




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AJAX :: How To Trigger Updatepanel Postback From Another Updatepanel

Mar 4, 2011

I have a web user control with one updatepanel (pnlUpdate_2), some controls and one apply button. I display the web user control as a modalpopup in my default page. In my default page i have an updatepanel (pnlUpdate_1) with a gridview and I modify that gridview with the apply button of the web user control. The web user control is for made a custom search of the gridview data. I have a problem with both updatepanels. If I set the updatemode as always in one of them (pnlUpdate_1) and the other as conditional (pnlUpdate_2), the pnlUpdate_1 make a postback in the pnlUpdate_2; I'm not an expert on this but I think that's why the pnlUpdate_2 disappear and reappear after postback of some controls in that updatepanel (not the apply button, it close the modal after postback). I try all the combinations and the problem persists. So I put both updatepanels as conditional and in some way it works; now the problem is that when I click the apply button in pnlUpdate_2 to modify the gridview in pnlUpdate_1 the pnlUpdate_1 not made the postback I get the pnlUpdate_2 postback when I use some control inside the pnlUpdate_1.

How can I postback the pnlUpdate1 from pnlUpdate_2 with the apply button?

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C# - Works Out Of UpdatePanel But Not Inside UpdatePanel?

Mar 28, 2010

I have copy and paste this Alert Class:[URL] It works except with a button inside an update panel but it shows no error. The asp code inside is executed but nothing shows up on client side.

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C# - Could Not Find UpdatePanel With ID Exception While Using UpdatePanel

Mar 1, 2011

On an aspx page i am having a dropdownlist and a panel control the dropdownlist autopostback is true. in dropdownlist control there are two options and depending on the option selected by the user i display a user control containing ajax updatepanel with a timer configured to launch async request after every one second. the problem arises when user selects the other option in dropdownlist control and the user control gets changed in the panel control. The error which is occured is shown below:

Sys.InvalidOperationException: Could not find UpdatePanel with ID 'ctl00_ctl00_cphMainMasterPage_ChildContent_ctrlPinStatusMonitor_updpnlPinStatus'. If it is being updated dynamically then it must be inside another UpdatePanel.

I thnk the problem is that the last control which have launched the async request is no more available in the panel control and gets replaced by the new other user control.

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AJAX :: UpdatePanel Conditional Update OnLoad Event / Updatepanel To Update On Queue?

Aug 25, 2010

i have a website with three UpdatePanel Control and inside of each UpdatePanels has ONE Gridview and a SqlDataSource Control.

all gridviews are connected to its own SqlDataSource Control. so technically when i run my website all gridviews automatically get their data from their respective SqlDataSource Control and display them accordingly.

but what i need to do is instead of letting all the update panels to load each gridview their data upon Onload event, i need the updatepanel to update on queue, (Technically changing the UpdateMode to Conditional does not solve my problem.) there will be an event which will trigger the updatepanel to update later.

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AJAX :: How Another Updatepanel Can Be Refreshed Everytime When A Particular Updatepanel Is Refreshed

Aug 13, 2010

I am using two Updatepanels in ASP.NET AJAX and as soon as there is some event in first updatepanel, it will get refreshed at that time I want my second Updatepanel getting refreshed too. How can I do that ?

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AJAX :: Gridview Within Updatepanel Not Triggering Gridview Outside Of Updatepanel

Jan 14, 2011

I have a page that has a updatepanel around a gridview control that is within my modalpopup. So you land on the page, there is a link that when clicked will open the model popup. Initially the gridview merely displayed saved records you personally choseto save, well when you selected one, the popup would close and the data from that row would be passed to the gridview within the page to display details.. no issue when it was setup that way.. well eventually it was decided to add a delete option within themodal popup gridview so now when viewing the records you can delete it if not needed. works well.. but now with the updatepanel surrounding the gridview when i click on my "select" link it doesnt execute my

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UpdateProgress With An UpdatePanel

Nov 1, 2010

I want to show the UpdateProgress on page A when a user clicks on the "Next" button to go to next page. The next page is Page B, which has heavy data loading. When the button is clicked, it doesn't show the UpdateProgress. What's missing from this code, and how can it be made to show?

<asp:UpdateProgress ID="UpdateProgress1" runat="Server" AssociatedUpdatePanelID="UpdatePanel1">
<ProgressTemplate >
Please wait ...
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<asp:AsyncPostBackTrigger ControlID="btnNext" EventName="Click" />
<asp:Button ID="btnCancel" runat="server" TabIndex="1" Text="Cancel"onclick="btnCancel_Click" />
<asp:Button ID="btnNext" runat="server" TabIndex="2" Text="Next" onclick="btnNext_Click" />

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