LinkButtons In A Repeater Within An UpdatePanel Are Not Triggering A Postback

Sep 13, 2010

My page contains a Repeater that is loaded with data asynchronously as the data becomes available, using an UpdatePanel to manage the asynchronous requests.The page contains something a little like this:

<asp:UpdatePanel ID="DataUpdatePanel" runat="server">
<asp:Repeater ID="RepeaterBlock" runat="server">
<HeaderTemplate><thead><tr><th>Name</th><th>Status</th><th class="empty"></th></tr></thead></HeaderTemplate>

The problem being that the LinkButton does not appear to trigger a postback of any kind- there is no visible response to clicking on it and putting a break point on the event listener in the codebehind, it is never triggered.
hat the linkbuttons ceased working.

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I've got a repeater that's used to display the output of a dynamic report that takes criteria from webcontrols on the page. Within the repeater's ItemDataBound method I'm adding controls (Linkbuttons for sorting by column values) dynamically to the header of the repeater based on values selected in a checkbox list and at this point setting the CommandArgument and CommandName properties of the linkbuttons.

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<!-- This one works -->
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<!-- additional header cells get added dynamically here -->
<td><%# Eval("Name")</td>
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I have a page with a couple of RequiredFieldValidators, each in its own ValidationGroup. One of the RequiredFieldValidator controls is inside a Datalist and the submit button triggers the relevant DataList_ItemCommand. It works just dandy until I add the ValidationGroup to the button, at which point clicking on the button no longer fires the DataList_ItemCommand event. Here is the HTML


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i have a repeater with a button in the footer template which i want to be able to update any of the items that are added (update quantites/totals/delete the item). however the 'UpdateOrderDetails' event never fires when the button is clicked. here is the code within the repeater...

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <tr>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <td>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <asp:CheckBox ID="chkDelete" runat="server" />
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </ItemTemplate>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FooterTemplate>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <tr id="trVAT" runat="server">
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <td colspan="5">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <asp:Button ID="btnUpdate" OnClick="UpdateOrderDetails" Text="Update" runat="server" />
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <td><asp:Literal ID="ltlDelivery" runat="server" /></td>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <td><asp:Literal ID="ltlTotal" runat="server" /></td>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </asp:Panel>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </table>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FooterTemplate>
the 'updateorderdetails' event in code behind is here
Public Sub UpdateOrderDetails(ByVal s As Object, ByVal e As RepeaterCommandEventArgs)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; For Each objRepeaterItem As RepeaterItem In rptOrderDetails.Items
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Select Case objRepeaterItem.ItemType
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Case ListItemType.AlternatingItem, ListItemType.Item
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim chkDelete As CheckBox = objRepeaterItem.FindControl("chkDelete")
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim hidProduct_Key As HiddenField = objRepeaterItem.FindControl("hidProduct_Key")
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim txtQuantity As TextBox = objRepeaterItem.FindControl("txtQuantity")
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '&nbsp;&nbsp; check for deletion or update
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; If chkDelete.Checked Then
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Me.Basket.RemoveProduct(hidProduct_Key.Value)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Else
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '&nbsp;&nbsp; check for update
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; If IsNumeric(txtQuantity.Text) AndAlso CInt(txtQuantity.Text) >= 0 Then
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Me.Basket.Products(hidProduct_Key.Value).Quantity = txtQuantity.Text
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End If
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End If
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End Select
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Next
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '&nbsp;&nbsp; update order details
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BindOrderDetails()
&nbsp;&nbsp;&nbsp; End Sub
but this procedure is never called when the button is clicked, so wondered what i need to do to get this working
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<p> <textarea rows=10 cols=100 name='POST[5]' onfocus='setSelRange(this, 0, 0)'/>

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MRP : Rs.
Text='<%# Bind("mrp") %>'
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DataListCommandEventArgs e)

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<td><%# Eval("Url") %></td> //property of WebPage (part of results repeater)
<td><%# Eval("URL") %></td>//Property of Link
<td><%# Eval("URLType") %></td> //Property of Link
<td><%# Eval("URLState") %></td> //Property of Link

of course this doesnt work, how can i do this?

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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# - UpdatePanel Inside Repeater?

Mar 28, 2011

In my UserControl, Im trying to update a updatepanel that is inside a repeater like this:


<asp:UpdatePanel ID="updDocumentQuickView" runat="server" UpdateMode="Conditional">
<asp:Repeater ID="repFolders" runat="server"


The end result I get is that updDocumentQuickView is the UpdatePanel that gets updated, and not updFiles. If i wrap an UpdatePanel around lnkFolder, then that UpdatePanel gets updated, with the same C# code. Ive checked what kind of data that are sent back with fiddler, and the wrong UpdatePanel is sent. Im getting the correct RepeaterItem, and both repFiles and updFiles are found. What do I miss to get the right UpdatePanel to get updated?


Hawxby solution solved the problem with updDocumentQuickView getting updated, thanks for that. But im still having problems with updFiles sending nothing back. Some further testing, with putting literals inside updFiles and working, tells me that theres something with repFiles that isnt returned. repFiles does have data that is bounded.


repFiles.Visible were set to false in repFolders_OnItemDataBound, no wonder it didnt show.

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LinkButton In Repeater In Multiview In UpdatePanel

Jun 16, 2010

I am having trouble with the postbacks that are fired within my updatepanel by the linkbuttons. Here is the structure of my page: UpdatePanelMultiViewView1/View1View2RepeaterLinkButtons being generated here /Repeater/View2/MultiView/UpdatePanel. Here is my link button code
<asp:LinkButton ID="lnkSelect" runat="server" OnClick="SelectOrganization" CommandName="OrgID">SELECT</asp:LinkButton>

Whenever I click on any of the LinkButtons that are generated, it does a Postback in the UpdatePanel. But the OnClick function is not being called. It just does the void Page_Load() function. That's it. The controls in my other views work fine, but I'm having trouble with these controls. I think it has to do with them being generated by the Repeater.

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AJAX :: AutoPostback In Repeater In UpdatePanel Is Refreshing The Page?

Aug 31, 2010

I've got a TextBox with AutoPostBack="true" and OnTextChanged property set.

The textbox is located inside a Repeater, which in turn is located inside an UpdatePanel.

Problem is - whenever the TextBox postsback, the whole page gets reloaded, instead of the UpdatePanel only.

Here's how the thing looks:


Interesting thing is, if I take the TextBox out of the repeater, it refreshes only the UpdatePanel. So is if I put a Button inside the repeater - only the UpdatePanel gets refreshed. But whenver I place an AutoPostBack-ing control inside the Repeater, the whole page gets refreshed.


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Forms Data Controls :: Repeater Productlist With Updatepanel

Jan 6, 2010

I'm building a webshop, and I'm having some issues with my Repeater implementation. I use the Repeater to display products, and for each product i have a dropdownlist for the customer to select a quantity. And i want the repeater to show the product price dynamicly as the user select a quantity. I had a partial working solution using updatepanels, but I encounterd several problems with it..

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Forms Data Controls :: LinkButton In A Repeater In A Multiview In An UpdatePanel?

Jun 16, 2010

I am having trouble with the postbacks that are fired within my updatepanel by the linkbuttons. Here is the structure of my page

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How To Know Which UpdatePanel Causes The Partial PostBack

Jan 31, 2011

In a page contains two UpdatePanels, How can I know which UpdatePanel causes the partial PostBack ?

I mean in the Page_Load event handler.

This is my code:


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C# - How To Keep TinyMCE After Postback In An UpdatePanel

Aug 17, 2010

When I click a button that causes a postback on the UpdatePanel it calls the tinyMCE.triggerSave().

It reloads the panel and the editor show up again, but when I try to call tinyMCE.triggerSave() the second time I get the following error: is null

I though it was getting the old instance, but I'm also removing the control (tinyMCE.execCommand('mceRemoveControl',false,'Editor');) after I call the save. Even so it still crashes the second time.

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How To Get The Id Of Updatepanel Which Initiated A Postback

May 25, 2010

I need to intercept server callback after udate panel async post back and determine which panel initiated the request. The code is pretty simple:

function InterceptUpdateCallback(sender, args)
var updatedPanels = args.get_panelsUpdated();
for (idx = 0; idx < updatedPanels.length; idx++) {
if (updatedPanels[idx].id == "myUpdatePanel") {

And it works when UpdatePanel is not inside another UpdatePanel. But when it is inside another UpdatePanel updatedPanels[idx].id has parent Updatepanel id. So how can I get the id of UpdatePanel which initiated the request (the inner UpdatePanel)?

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C# - Button Click In Repeater In Updatepanel Not Triggered Until AsyncPostBackTrigger Timer Tick?

Dec 16, 2010

I have an update panel that has a timer set as the AsyncPostBackTrigger.In this Update Panel I have a repeater and in the repeater I have a few buttons which have on click events.The on click of these buttons does not appear to fire until the timer has tickedI have tried debugging and this is what seems to be happening, either way it takes ages for the button click to actually fire.

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Forms Data Controls :: Buttons In Repeater In UpdatePanel Not Working On First Click

Feb 2, 2011

I've been having trouble getting buttons inside of my repeater to work correctly. They behave as I would expect, but the first time they are clicked, they do nothing. I recreated my problem in this example code.


And here's the code-behind:

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Repeater Is Updated Without A Postback?

Mar 19, 2010

I've got a repeater which is placed inside an updatepanel. When the user enters a new value, the repeater is updated without a postback. Is it possible to get the row that was updated in JQuery so that I can place an effect on it to make the change less subtle? For example, I'd like to fade a new color in on just the row that was changed.

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VS 2008 Full Postback In Updatepanel?

Jan 16, 2010

i have upgrade my website from framework 2.0 to 3.5 but i have problem with ajax .I get full postback when i click a linkbutton inside update panel .

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How To Run A Javascript Event After A Postback Within An Updatepanel

Nov 19, 2010

How do i run a javascript event after a postback within an updatepanel

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