AJAX Panel Not Throwing Exceptions?
May 13, 2010
i have just noticed something strange in some asp.net markup.
I have a standard form with a couple of textboxes and a submit button.
When clicked the code behind will attempt to perform some logic and then return.
If the input values are not valid it used to throw an exception.
The moment i wrapped the controls in an AJAX update panel and try to submit bad data, no exception is thrown and the panel returns like nothing was wrong.
Does anyone know how to return this to the previous behavior whilst keeping the update panel?
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Jan 17, 2011
We have an array of about 12 servers serving a website. Over the past few hours, one single server has started throwing exceptions for WebResource.axd and ScriptResource.axd requests.
Exception
System.Web.HttpException - This is an invalid script resource request.
Stack Trace
at System.Web.Handlers.ScriptResourceHandler.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
Broken server URL
/WebResource.axd?d=S6kjkBsrIKni9uO5HCkv0c8eYObzibWXn9R6A7Yr_Fy7CW4dRFZm1HfcnUTEZ8xBYZDM-5zeTVk1tTgC1hp7d5YYw3o1&t=634308186300177825
All other servers URL
/WebResource.axd?d=yj6PW1hbOvqhMkOh2gYGlw2&t=634207187366247462
I have checked the web.config, machine.config for every server and they're all identical. The only difference been able to find so far is that prior to the problem commencing, the servers were patched, after which, the problematic server looks to be using different version of the System.Web.dll to the others?
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Feb 22, 2011
The following code is throwing Exception. I don't get what mistake I am making in the code. I think it is of some security rights issue. If so, how can I give the security rights to any user or application to access this windows service programmatically?
Dim sc As New ServiceController
sc.ServiceName = "DataLoad"
If sc.Status = ServiceControllerStatus.Stopped Then
sc.Start()
Else
sc.Stop()
End If
Exception:
System.InvalidOperationException: Cannot open DataLoad service on computer '.'. --->
System.ComponentModel.Win32Exception: Access is denied --- End of inner exception stack trace --- at
System.ServiceProcess.ServiceController.GetServiceHandle(Int32 desiredAccess) at
System.ServiceProcess.ServiceController.Start(String[] args) at
System.ServiceProcess.ServiceController.Start() at
WEBSITE.DataLoad.Submit1_ServerClick(Object sender, EventArgs e) in C:InetpubwwwrootWEBSITEaDataLoad.aspx.vb:line 46
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Aug 28, 2010
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prm.add_initializeRequest(initializeRequest);
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Jan 26, 2010
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From what I've read I should be doing it in the UI tier but in that case I'm not sure how to ensure that the connection to the database is closed. Is anyone able to clarify how to do this? Also if anyone knows as to where I could find an example 3-tier web application that follows best practices that would be great too.
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Sep 16, 2010
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Message: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500
Line: 4723
Char: 21
Code: 0
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Mar 27, 2010
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Jan 2, 2010
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I have an AJAX Modal Popup panel that contains a RadioButtonList, 2 labels and 2 DropDowns. I want to update the Labels and DropDowns when a radio button is selected. My attempt at this posts back which causes the ajax popup to disappear.
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<asp:RadioButtonList ID="rblTest" runat="server" RepeatDirection="Horizontal" OnSelectedIndexChanged="rblTest_SelectedIndexChanged">
[code]...
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Jun 10, 2013
I have added linkbutton inside gridview to download, below is my code..
protected void lnkDownload_Click(object sender, EventArgs e)
{
try
{
[Code].....
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i have a panel out of update panel.i have to make it hidden while navigating through different tabs,i tried these codes
Panel1.Attributes["style"] = "display: 'none';";
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[Code]....
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I have a web page that I have a media control player on along with other controls in a table.It's a training video, so the controls are not visible.So the user can advance to the next web page,I thought I would have a button control inside an update panel with a time control so that the user had to watch the video and then the button control would appear after the video completed.I'm setting the button update panel to NOT visible and then turning it one when the time control elapses the same amount of time that the video runs.My problem is that when I set the visible property of the update panel to NOT visible it also makes the media player's panel NOT visible too.They are in two different panels.The medial player in a standard panel and the timer control connected witha separate panel that contains the button for the user to proceed. When I set the visible property to "true" the media player runs but the update panel with the button is visible also.
[Code]....
This is the code for the update panel and continue button that is in a separate table cell.I even split the table and so this is in a completely separate table but I still get the same behavior.
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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.
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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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May 16, 2010
I have one update panel inside updatepanel i have one dropdownlist .When i change dropdownlist value so as per value button1 which is out of updatepanel not visible =true or false as per dropdownlist value.
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sorce code :
[code].....
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Aug 18, 2010
i found that for X & Y co-ordinates value of the Ajax toolkit dragPanel is very easily calculated from this article
Retain position of a DragPanel Extender after postback using ASP.NET AJAX
but i need to store the value in database and while page_load() i need to render the control as per the Co-ordinate values from the database .
From the above solution everything is fine except that i need to do it with code behind(from server side).
and i don't know a JavaScript a lot .
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