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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Jul 29, 2010
I have just upgraded my web application from 3.5 to 4. There is one issue that I am now having that is easy to reproduce. I am hoping you can help me determine the best way to overcome this issue.I use Ajax and the AjaxControlToolKit. If you create a new aspx page and add an UpdatePanel and then add a button on the UpdatePanel. Then for button_click have it do Response.Redirect("SomeOtherPage.aspx") and it will give you a 404 error.Sample:
<body>
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Aug 20, 2010
Response.Redirect is not working with UpdatePanel
after migrating a web site to ASP.NET version 4.
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Mar 24, 2010
I am using the AjaxControlToolkit 3.0.30930 (the most recent). I have a very simple page with an UpdatePanel. A button on the UpdatePanel invokes Response.Redirect and passes the URL of a Click Once application on the same server. This works well if I run the website on my local system (Windows 7, IIS 7.5).
If I run the website on a remote system (Windows Server 2008, IIS 7.5, same settings) the redirect simply does not work when invoking the page from remote (using the IP address). Instead a postback is executed. Even if I use the IP address of the webserver to invoke the website locally on the webserver, the redirect does not work. Using http://localhost on the webserver the redirect works well.
I tried another test page with no UpdatePanel: The redirect works well in all scenarios.
I tried out to invoke the ClickOnce application using a link instead of Response.Redirect: The redirect works well in all scenarios, even with an UpdatePanel.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestWithUpdatePanel.aspx.cs" Inherits="TestWithUpdatePanel" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[Code]....
Even if setting EnablePartialRendering to false, the redirect works. This is a big clue, that the UpdatePanel causes the problem.
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Mar 13, 2011
We have an updatepanel in our site and there are a number of linkbuttons in it. Please note that the site works fine in all browsers without proxy the proxy changes the url from for instance [URL] to 0-[URL] it also works fine in all browsers but IE the issue is that under proxy and in IE8, it gives an error when clicking one of the linkbuttons, the error message is "Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; InfoPath.1; .NET4.0C; .NET4.0E) Timestamp: Sun, 13 Mar 2011 20:38:58 UTC
Message: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near ' <!DOCTYPE html PUB'.
Line: 4674
Char: 21
Code: 0"
I have no idea what goes wrong here, it seems that IE can't parse the response?
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Feb 23, 2010
I've got a problem that after i refresh an update panel all the HoverMenu's stop displaying, it still calls the WebMethod which returns valid html and the panel is displayed, but it content of the panel isn't displayed on the browser.
I've created a single page to demo this problem:
aspx
[Code]....
vb.net
[Code]....
The demo shows the hovermenu working until you click the update button then it stops showing the content, although it is still calling the WebMethod onhover.
I am using VS2008, .net Framework 3.5 and toolkit 3, 0, 30930, 0
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Sep 30, 2010
I have a radiobutton that triggers the updatepanel to display or not..
when the page loads, i can select yes adn it displays, i can select no and it disappears.. i hit yes it reappears.. but after like the 3rd time going back and fourth testing the functionality, it stops displaying all together.
Is there something i need to look at to find out what is going on?
Here is my code on the page and code behind
[Code]....
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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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Aug 4, 2010
http://localhost:2386/Application/%2fApplication%2fRevision_Modifiers.aspx
migrated project to asp.net 4.0 from 2.0
i changed scriptmanager to toolkitscriptmanager
Response.Redirect Not Working properly generating above url
if i used Response.Redirect("Project_AddEdit.aspx?action=Edit", false);
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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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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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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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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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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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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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Feb 11, 2010
I want to bring up an Alert messagebox if a user does not fill in a field on my webform before clicking a submit button on the form. I also want to use an UpdatePanel because it makes it a smoother user experience. But I am experiencing a conflict with
response.write("<script>alert('fill in Comment before submitting');</script>");
and the UpdatePanel. If I remove the Updatepanel then I can use my Alert message above but it loses the page temporarily until the user clicks "OK" on the messagebox. My alternative - using the UpdatePanel - was to add a label to the webform where if a user does not fill in the requested info - a label would display text giving the same message - very smoothly with the UpdatePanel. But the label is not modal like the Alert message.
Is there a way I can use response.write in conjunction with an UpdatePanel? The webform is fairly basic. It has a couple of asp.net textboxes and labels and an asp.net button control. I guess I could use a "required" label, but I like the modal property of the Alert message better.
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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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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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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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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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Jan 4, 2010
In Firefox (3.5 or 3.0), AJAX toolkit modal popups move just before a redirect.It's as if the positioning css is ignored. The rest of the css appears to be honoured i.e. the popup appearance doesn't change but it jumps to the top left-hand corner.
The test code below reproduces the issue. It only happens in Firefox. I am going to try to work around it by implementing client-side-popup-hiding measures but I would still like to know why it is happening.
[Code]....
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Jun 30, 2010
I want to fetch records from webservice and displayed it by ajax call.
so I call web method in aspx page and in passing json data to the url of that ajax call page
but its not fetching that data..
i know i am going wrong some where but i can't detect it
here is my code
$.ajax({
type:
url: methodname.aspx,
dataType:
data: {},
contentType:
success:
[code]....
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Feb 22, 2010
I used a modelPopupExtender to make a screen freeze. after the saving i do an response.redirect to the same page but when i do that i could see the panel saving again before reload.
here is the code
[Code]....
on Code Behind when finished button clicked i do show the next view from the multiview as well as the New button. inside the finished button click event i do mpeScreenFreez.Hide(); to hide the popupExtender. When i response.redirect i could see the panFreeze panel poping up just before relaod.
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Feb 23, 2010
I have populated my data using DataRepeater Control and i have a Delete button on that so each and every row has a delete button which allows user to delete a single entry from DB. I have put this control inside UpdatePanel so i can avoid full page postback.
When i delete the row from the database and try to show a alert message using Repsonse.Write it throws me the below error message
Error: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near 'itle||Untitled Page|<script language='ja'. Source File: [URL]
But, If i remove my update panel its coming up well, is there any solution so i can show alert box after a row been deleted ?
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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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