AJAX :: Update Panel Post Back To Show Processing

May 11, 2010

I have a page that the users get redirected to. On page load this page runs a bunch of code behind that and loads table. The processing could take a few seconds to minutes depending on how big a report is run. Is there any way to completely render the page before automaticly kicking off the code? I am trying to stay away from forcing the user to click on another button.

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AJAX :: How To Do Update Panel And Dynamic Controls And Post Back

Sep 29, 2010

I have a page that is mostly dynamically built in the page load of my VB.net code behind page.

The issue is that I made a change to the page and added a button that redirects to a secondary page. When the button is clicked there is a very noticeable lag until the button click event fires because the page is being rebuilt every time.

I had not wrapped the code in the load event in the If not ispostback.... because I have dynamic controls that the user interacts with and I need the page to be rebuilt when the user clicks them.

The dynamic controls are clickable table cells. I did some looking and I found that the RegisterPostBackControl. I thought this would be perfect but, it does not although I maybe using it incorrectly.

Here is the code flow.


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AJAX :: Images Not Displaying After Post Back With Update Panel

Feb 25, 2010

In the page load evertything is working fine. Iam using Updatepanel in my page .Images are not displaying with post back i am using telerick grid and jquery in my page. how to get images on postback

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AJAX :: Which Update Panel Cause Partial Post Back In Javascript?

Jul 22, 2010

I have multiple update panels in a page. how I can know which update panel caused partial page updation on client side before page is partially updated?

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Web Forms :: Show Processing Message While Page Loading Upon On Post Back

Apr 28, 2010

I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive C# code runs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs. How do i show a message in this case, that the processing is still going on and ask the user to wait? I have used javascript to show a message on page unload. But this message is also erased when the page is posted back to the server and the user sees a blank white page on his browser. How do i avoid this white page? Is there a way to show a message in the blank white page? How do i show a processing Message while the page is loading upon on Post Backs to the same Page.

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AJAX :: Display Loader Image On DropDownList Auto Post Back In Update Panel

May 4, 2014

How to display wait image when data is being populate into one drop down based on selection of another dropdown inside update panel....

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AJAX :: Way To Show Image On Update Button Click In Formview Or Update Panel

Jun 21, 2010

I have a formview in Edit Mode, within an update Panel all and these arewithin a Modal Pop Up extender.On clicking Formview Update button, I want an image to appear within the pop up.I have put the image within another panel1 and runat server.For some reason the image is not showing on clicking update button.

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Back Button In Ajax Update Panel Not Working

Mar 26, 2010

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AJAX :: Back Button And The AJAX Update And Panel?

Dec 9, 2010

I know everyone has heard this a million times, but I need help with the back button and the AJAX update panel.I essentially have a form, that has 5 fields:Vehicle Make (In update panel #1) Model (In update panel #1) Trim (In update panel #1) Ownership Status Zip Vehicle model gets populated depending on what you put in make, same with trim. Now once the user hits next, I do a response.redirect. When I hit the back button, the possible values, and the current index is wiped for Vehicle Make, Model, Trim. I cannot
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WCF / ASMX :: Show Loading Icons While Processing Back End Code

Jul 19, 2010

just wanna ask you something. My requirement is that I need to download a large file.So,at the web server, there are a lot of zip files are packeted and when user request a link to download the file, those packeted zipped files will be combined into one large file and download it. So, I have done all the others steps. what I want to know is when user clicked that download link, I pop up another web form and wanna show processing progress or loading icon while zipped files are unzipping. Because unzipping time may take around 3 to 5 minutes depends on file sizes. Now I called the unzip function at the page load event, but it does not appear anything until unzip function has finished. guide me in which event or what kind of mechanism or technology should I use to show icon at the UI while processing at back end code.

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AJAX :: Using Browser Back To Previous Page Containing Gridview Inside Update Panel?

Aug 6, 2010

Looking for the best technique on handling or at least some documentation showing an example.

Starting Page

Gridview control withing an update panel (also various controls used for filtering NOT IN UPDATE PANEL)

Databinding does not happen during page load.

Databinding is initiated when update panel trigger (asp:Button object) is clicked

Hyperlink column is added to returned records

Hyperlink posts to a separate page for detail for record which the hyperlink was clicked.

Second Page

While navigating via the browser back button to previous page (which contained the update panel and gridview) only the (various controls used for filtering) have retained state. The gridview is not shown (which is how the page loads initially when starting) How can I retain the state of the Gridview and add a step in the browser history all together?

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AJAX :: Update Panel For Page Load - How To Show Progress

Dec 14, 2010

I try to use Update Panel for the loading of next page using C#. How do I do once the page is loading then update panel will show theprogress

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AJAX :: Show UpdateProgress With Update Panel PostBack Trigger

May 7, 2015

I am trying to using update panel that have upload file when it click and showing the updateprogress

Here is the design

<asp:ScriptManager ID="ScriptManager1" runat="server">
<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="upTest">

[Code] ...

So how I can get the value of the file once the button click?

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AJAX :: Show Some Data In The Update Panel Refreshing Every Second Using Page Method?

Jan 15, 2010

I'm trying to show some data in the update panel refreshing every second using page method. Everything works fine until I introduce Session. As soon as I save some data into the session my Ajax Page method is not called every second. Here is the complete code





why after clicking "Enable Session" button refresh stops working?

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AJAX :: ListView Inside Update Panel Does Not Show Updated Values

Jan 16, 2014

I have a ListView control that is inside of an update panel.  I have a Button control that calls code behind when clicked and I have a trigger in the update panel that is triggered based on the click event of the button.  The button that calls the code behind and inserts a record into the database works fine but I get a full page refresh and the ListView Data is not updated as expected.  I then can go to another page, come back and the new data is there.  I'm not sure what I missing.  Please see the code below.

<asp:UpdatePanel ID="UpdatePanel1" runat="server" >

<asp:ListView ID="ListView2" runat="server" DataSourceID="sdsrcMessageComments" DataKeyNames="MessageId"
ItemPlaceholderID="PlaceHolder2" EnableViewState="False">


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AJAX :: Enable / Disable And Show / Hide Controls Outside Update Panel During AsyncPostBack

May 7, 2015

I am perform some action in update panel and there is a button to perform that action after perform that action, I want to show a button which is out side of update panel.

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AJAX :: Difference In Asynchronise Post Back Trigger And Post Back Trigger?

Jul 15, 2010

I searched google and found asynchronise post back trigger is used if we want update panel to post back on some event of control if it is out side the update panel. Than what is purpose of post back trigger ?

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AJAX :: Radio Buttons, A Label And An Image Button Show Twice Inside Update Panel?

Nov 24, 2010

I have an update panel with a set of 2 radio buttons, a label and an image button inside of it. There another set of 3 radio buttons that trigger the update panel. I got everything working but now the image button, label and set of 2 radio buttons inside the update panel show up twice when the radio button triggers are selected?

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Web Forms :: Show Loading Image On Every Post Back?

Dec 17, 2010

Loading image on every postback ...

I have three textbox say textbox1,textbox2,textbox3, and a button.

After user entering the values in the respective textbox, he will click button. It cause postback, that time i need to show loading image, until the value is inserted into the database.

On the whole the user should not feel that the page is postback every time when he click the button, instead of it i need to show loading image.

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C# - How To Stop AJAX Update Taking Place In One Update Panel From Another Update Panel

Sep 5, 2010

We have two update panels on our webpage. Now first update panel is having button cancel. While second update panel is having a file upload control.

Now if the user uploads a file that is going to upload in about 2 mins, and in between, say after 30 seconds the user clicks the cancel button, the upload taking place in update panel 2 should stop.

How do we achieve this ?

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Update Javascript After Async Post Back In C#?

Feb 4, 2011

I have the following code on my website:

<asp:ScriptManager ID="ScriptManager1" runat="server" />
<asp:UpdatePanel runat="server" id="UpdatePanel" updatemode="Conditional">
<asp:AsyncPostBackTrigger controlid="myButton_btn" eventname="Click" />

The javascript is running everytime I click the button. However, even though my subroutine updates the session variable after clicking the button, I always get the same alert. In other words, the same javascript is run after postback, and it is not updated. I am positive that the session variable IS being changed.

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Forms Data Controls :: GridView Doesn't Show On Post Back

Oct 19, 2010

I have a gridview inside update pannel and i enabled sorting for the grid if i click to sort a column it does postback and then the grid doesn't show in anather way i have item template column inside of the grid and i am using a button to call a function ,if i click on this button it do the function but the grid doesn t show after the post back

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Web Forms :: Loading On Post Back Like Facebook On Every Post Back Request

Nov 30, 2010

I have four textbox and a button in my page. After filling the textbox. When the user click save button. A loading image should be displayed. User should not feel that the page is postback to the server,Some thing like in facebook loading image.

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C# - Using A Timer Post Back, Which Controller To Use That Doesn't Post Back To Server?

Jul 14, 2010

Being new to ASP.NET I have run into trouble building my own Whack-a-mole program. I think my problem comes from using Buttons, which by themselves send post backs to the server, making the software unusable. The looks are in place, making new buttons show up in the grid, in different places by random. However, when a button is pushed - the score doesn't change (which I feel is strange).

Not so strange is that the Button doesn't work since it sends post back to the server - reloading the UpdatePanel. I think I should use a different controller like the CheckBox and style it hard using CSS (which isn't a problem). Is this the correct way to go, or should I make use of JavaScript AJAX instead?

Note to self: This technique shouldn't be used in a public application since it put too much unwanted pressure on the web server.


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AJAX :: Updating An Update Panel From Another Update Panel Works Only On Second Time?

Jun 5, 2010

I have a panel withitn an updatepanel with some buttons.

When one of the buttons is pressed, I'm updating a different update panel.

The problem is that when I click the button, nothing seems to happen.

If I click the button again , then I see the first update. If I click it again, I see the second update and so on..

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