Updatepanel Not Updating HTML

Mar 5, 2010

I've the following code:

<asp:UpdatePanel runat="server" ID="upanel1" >
<ContentTemplate >
<div id="west" class="x-hide-display" style="background-color: #9eb5bc; height: 100%;">
<ul id="list_0" runat="server">......

updatepanel not updating HTML

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AJAX :: Updatepanel Is Not Updating Page?

Mar 5, 2010

I've the following html

[Code]....

and my server code is:
[Code]....

the sever code is executing correctly but the page's html is not updating.

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C# - Prevent An UpdatePanel From Updating Programmatically?

Feb 11, 2010

I have a GridView inside an UpdatePanel and because of some bug I can't seem to find, when I download a file (through an iframe inside another updatepanel) the background images of my buttons don't show up.I thought that, since the download doesn't really need to update the panel (which is causing the bug) I want to prevent the UpdatePanel only in this case from updating.I know that I can use the atribute "ChildrenAsTriggers = false" but I don't want to put an updatePanel1.Update() in every function called from inside the gridview.

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AJAX :: UpdatePanel AsyncPostBackTrigger And Gridview Not Updating?

Mar 8, 2011

I have a very simple application that works almost all the time. I am using an UpdatePanel. My script manager is configured to enable partial rendering. My UpdatePanel is configured for conditional update mode. My asynchronous trigger is a timer that runs every 3 seconds. I track unhandled exceptions in the database. I am not getting any unhandled exceptions. Nor am I getting managed exceptions. Now, I had two users side by side running the application today. I had one record in the data queue. The first user did not get updates; her grid did not update. The second user did get updates. The only difference was that the first user was logged in for a long period of time. The second user logged in just before the test. I reviewed the IIS log file and both users were polling the page every 3 seconds for the same data. So why didn't the first user's grid update? The code follows.

<asp:ScriptManager ID="ScriptManager1" runat="server" AsyncPostBackTimeout="30" EnablePartialRendering="true"></asp:ScriptManager>

[Code]....

In my code behind I have the following timer logic. [Code]....

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AJAX :: Updating Controls Inside UpdatePanel?

May 10, 2010

I have a couple of dropdowns inside an Ajax Update Panel. When I try to rebind the controls or set the selected index of the drodowns inside the panel, they don't respond.

For example, I update the database records and need the dropdowns to display updated data. I set the data source for the dropdowns, rebind them and update the UpdatePanel, but it still shows the old data.

[Code]....

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AJAX :: ToolkitScriptManager Fails On Updating UpdatePanel?

Oct 21, 2010

this is my first post in this forum, even though I often search for helps and clarifications over its threads. And many times they are definitely useful!!I had a <asp:ScriptManager> in may MasterPage, wich was used to manage various UpdatePanels I have either in Content pages or in MasterPage.Today I inserted a CalendarExtender, so I had to replace the ScriptManeger with the AJAX ToolkitScriptManager.

At the beginning it seemed to work fine (the calendar pop up and others controls got updated properly). Then I noticed that the nodes in various TreeView are not expanding any more. The TreeViews objects are placed inside an UpdatePanel, in order to expand each node without refreshing the whole content page. And, while a node expands, an UpdatePanel containing a GridView in the content page gets updated.Now, with the new ScriptManager they do not expand, but when clicking on a single node the GridView is updated properly.Here some pieces of code:

[Code]....

Controls registered as triggers.I know I can use only one script manager per page,

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AJAX :: Updatepanel Not Updating The Data In Webpart?

Feb 16, 2011

I am creating a web part, which is loading an ASCX file. This ASCX contains an Updatepanel and linkbutton inside the update panel.

When i click on the link button for the first time, there is a request going to the server, but the UI is not getting updated. and if you click on it for teh second time, there is not even the request going to the server.

I tried using a button also, but there was no luck, the results were same, first time request fires, but the UI is not updated. and the second time even the request is not fired.

I have put the code for both below. i am using Sharepoint 2007 and My master page contains a Script manager as well.

[code]...

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AJAX :: UpdatePanel With AsyncTrigger: Firing But Not Updating?

Feb 9, 2011

I have an updatepanel with a radiobuttonlist, which looks like this in my markup code:(also, I tried specifying the AsyncPostBackTrigger with the specific eventname "OnSelectedIndexChanged" - no succes either).

[Code]....

In code behind, loads of things happends. But the primary important thing is this method which is being called:

[Code]....

Now, in each postback this is set as a datasource (it is not loosing its datasource because of some timer).What my problem is: Even though the Page_Load event is being fired and I can see the datasource has changed, the content I see in the radiobuttonlist stays the same!

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AJAX :: Image Control Not Updating In UpdatePanel?

Jan 15, 2010

I develop an ASP.NET web application. The server side receives a stream of image data (JPEG frames as byte arrays).

It should processes them and send the images to the client side periodically.

For displaying these images on the client side I tried to use an approach similar to this described in the post "Improve your Image(s)" (http://steveorr.net/articles ImproveYourImages.aspx) by using an auxiliary ASP.NET page for the purposes of the server side image processing.

When I used a client side button to request the image ocntrol (imgCameraCapture) update with its URL pointing to the processing page (GenImage.aspx, as in the above post), everything worked fine (with exception of the whole page re-rendering on each button event). The image was updated.

For a periodic update of the client image control on the main page I put in an ASP.NET AJAX UpdatePanel andset it to update conditionally by triggering to an ASP.Net AJAX timer (10 seconds) event in order to achieve a partial page update (just the image).

II used the timer tick event handler to update the image by invoking the separate ASP.NET image data processing page there as in the button click event handler. But in the timer tick event handler the processing page was not invoked and the image was not updated.

This is the C# code behind executed in the button clik and timer tick event handlers:

imgCameraCapture.ImageUrl = "~/GenImage.aspx";

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User Controls Inside An UpdatePanel - Css Styles Are Gone When Updating (IE8)?

Jan 30, 2011

I have an user control inside an UpdatePanel. Once an event is triggered and updates the user control - it seems to lose its css styles. This happened to me in IE8 only, while in Chrome and FF it was fine.

A user control for example:

[Code]....


In Chrome and FF it seems to be working as expected (button click causes current time to display in the user control, nothing else happens), but in IE8 the div inside the user control loses its styles (background color, borders). What could be causing this problem, and what can be done to prevent it?

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AJAX :: Nested Updatepanel Updating All The Update Panel

Oct 5, 2010

I have one update panel which is having tPlaceholder which is loading dynalically.

[Code]....

in the CS file on page load, adding Placeholder dynalically

[Code]....

And in Topics.aspx file, I have added one more updatepanel

[Code]....

onclick of Add Topics button, both the update panels are getting updated. I want only the inner update panel should update.

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AJAX :: Updating Label In An UpdatePanel / Both Lables Showing?

Sep 2, 2010

I either don't understand or I'm not using AJAX right. I'm running a long report. I'd like to have a label to show the user that the "Report Running", then, that the report has finished. But, when the user runs another report, I'd like to have the label that shows "Report Finished!" to clear so that you don't have "Report Running!" and "Report Finished!" on the screen at the same time. But, the label will not clear???? I get both lables showing. What am I doing wrong?

Here is a sample:

<asp:UpdatePanel ID="UpdatePanel2" runat="server" >
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" /> [code]...

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AJAX :: Updating Masterpage Within Updatepanel / Button Does Not Work?

Feb 24, 2011

I have webpage and a master page.In master page I defined a Label and ContentPlaceHolder :

[Code]....

In my webpage I have an updatepanel and a button that updates the Label.[Code]....

[Code]....

If the button is inside updapanel, nothing happens when I click the button (Label is not displayed), but if I move button outside the panel it works. (Button must be inside updatepanel and ofcourse no PostBackTrigger)

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C# - Prevent Updating The Content Of The UpdatePanel From The PostBack Of The Page?

Jan 30, 2011

How to prevent the content of the UpdatePanel from the PostBack which is occurred in the whole page ?

I have the following code:

<head runat="server">
<title></title>
<script type="text/C#" runat="server">
// I don't want it to call this event handler

[Code]....

The previous code will write in the TextBox2 in spite of it exists inside an UpdatePanel with Conditional for UpdateMode.

I want it to update only when I call UpdatePanel1.Update();

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AJAX :: Response.Redirect Stops Updatepanel From Updating?

Mar 11, 2010

I'm using ASP.Net 2008 and C# and Ajax. I have wired up my ajax updatepanel to update the buttons within them in the gridview control's RowCommand event. However, at the end of this event, I call the Response.Redirect(commandArgs[2]); to open either Word or Adobe docs that user selected. And this line of code stops my Ajax updatepnael to update my 2 buttons' enabled properties. I thought maybe there is another way to open docs that won't interfer with my Ajax updatepanel and what will that be?

[Code]....

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AJAX :: Updating Content Within A Placeholder (updatepanel) Using A Timer?

Feb 1, 2011

GOAL: on a web page (vb.net) content in a placeholder will refresh with a different .ascx (user control) every 30 seconds (rotating 3 in total) and of course i dont want to refresh the whole page, just the placeholder.

I'm new at AJAX (that's my first problem - lol)

I set the timer up to call a function, but not sure how to go about refreshing the placeholder with a different ascx file. I'm sure i'll be using UpdatePanel to do this, but haven't been able to figure this out. Easy to replace a value in a label using AsyncPostBack trigger, but nothing on how to achieve this.

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AJAX :: Updatepanel Updating - Lblemail1 Do Not Update On The Page With The New Values?

May 6, 2010

I have the following code -

<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always" >
<ContentTemplate>
<asp:Image ID="Image1" runat="server" ImageUrl="~/captcha.aspx" /> [code]....

Problem is the lblname1, lblphone1 and lblemail1 do not update on the page with the new values, if I step into the routine I can see the values and a success asssignments but on the page I get NO values. I removed from code the updatepanel and I get the values on page.I also tried conditional updatemode with no success but again I get NO values.

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AJAX :: Updating A Control In An Updatepanel / Want To Modify The Text In A Textbox?

Dec 8, 2010

I have a radiobuttonlist control in an AJAX tabpanel, which I would like not to postback whenever the selected item is changed. But I do want to modify the text in a textbox, that is within a separate updatepanel, to be the text of the new selected item.

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AJAX :: Updating .NET CheckBoxList Inside An UpdatePanel From A Javascript Function?

Sep 29, 2010

I have a asp.net listbox server control that is connected to a jquery plugin that can handle a client side click event for each of the checkboxes it renders.

Whenever I click on a checkbox the click event gets triggered and I make a call to

__doPostBack("UpdatePanel1", ""); so that i can update the updatepanel and rebind the checkboxlist inside it.

is it possible to do the rebind first, and then update the updatepanel? how do i do that? because now, the rebind happens on the second time i click on the checkbox.

MARKUP:.....

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AJAX :: DropDownList Inside UpdatePanel Not Updating TextBox In SelectedIndexChanged Event

Oct 26, 2013

I have 1dropdownlist and 1 textbox in my page

I want when I select item from DropDownList in textbox write"Correct" so I wrote below code

protected void DDLclass_SIC(object sender, EventArgs e)
{
Txtsub1.Text = "Correct";
}

but it didn't worked when I select Item from DDL in textbox didn't wirte "Correct"

How I can do it?

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Forms Data Controls :: UpdatePanel Not Updating When The SelectedIndex Of The GridView Is Altered In The Code Behind

Mar 11, 2010

I have a gridview in one UpdatePanel and a FormView in another UpdatePanel.

The FormView UpdatePanel refresh is triggered when the GridView SelectedIndexChanged event fires. This then displays the FormView. However when a user navigates to another page in the GridView or sorts the data then the GridView is refreshed and the SelectedIndex
is changed to nothing in the code behind via the GridView DataBinding event.

The FormView UpdatePanel does not refresh to reflect this. I have to manually set the FormView datasource to null and update the FormView UpdatePanel in the code behind.

My question is why doesn't my FormView UpdatePanel update when the SelectedIndex of the GridView is altered in the code behind.

[Code]....

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Updatepanel - Allow Html In Textboxes

Sep 21, 2010

I put ValidateRequest="false" in my page directive but the page acts like it's not posting back. If I remove the html then it posts back fine.

Using the text boxes inside an update panel shouldn't make a difference right?

I'm trying to store text in my database with html formatting.

Again, I am using an update panel.

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Visual Studio :: Changes To Properties In The Property Window Not Updating In HTML Control?

Sep 26, 2010

I'm using VWD 2010 Express and have found that when I change a property like AutoPostBack from within the property window the corresponding tag (<asp:TextBox...>) was not updated with the property change to the tag.

Is there a setting that I can change in the VWD properties that will enable changes through the property window for a control to automatically update the HTML tag for that control?

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AJAX :: Update Panel Not Updating Even On UpdatePanel.update()

Dec 9, 2010

I am having a weird issue with the update panels. I have an update panel in UpdateMode = Conditional . I have a dropdown list and a grid view..the gridview has to be updated ÖnSelectionChanged event on the dropdown.

The issue here is on changing the selection on dropdown, the onselectionchanged event is triggered, new data is grabbed, bound to gridview..but does nt update the update panel even after the updatepanel.update();

[Code]....

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C# - Html Rendered - Updatepanel Does Not Appear In Page Source

Mar 17, 2010

I am working with .net c#. Is there a way to see the rendered html code under the updatepanel?

more info:

I dynamically generate UI controls and place them in a asp:Panel control I have under updatePanel. My page is initially almost empty, and I add about 50 new controls upon button click. However, I cannot see the html code generated in the page source. as in, I can see my textfield on the screen but I cannot see the corresponding code in the html source on my browser.

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