AJAX :: Sys.invalidoperationexception: Ctl00_ContentPlaceHolder1_tc1 Component Was Not Found?
Jul 2, 2010
Rather strange behavior.I have a web application, which has a aspx page which comrises of master page, user controls, ajax tab control & infragistics grid.This page is opening fine from many clients But this page is not opening on one specific client browser and gives sys.invalidoperationexception: ctl00_ContentPlaceHolder1_tc1 component was not found., with XP & IE 6. Please note that, other client browsers with this configuration in the past never gave this problem. This is the first time in many months I have observed this error.I tried to look for various IE options as well, if it has something to do with scripting setting being enabled/disabled, but could not zero-in on anything specific.Has anyone seen this before and can help me in this regard. Any heads-up on this will be really helpful.
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[Code]....
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[code]...
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Dim cmd As New SqlCommand
Dim sda As New SqlDataAdapter
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cmd = Nothing
_______________________________________________________
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[Code]....
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[code]....
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|- B.aspx.resx
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Exception Details: System.InvalidOperationException: The resource class for this page was not found. Please check if the resource file exists and try again.
I want to read the local resources from an external page, and I don't want to read the .resx file myself.
In my case, there're some "data.xml" files(they are in different directories, and have elements like [Code].... and the contents of them will be rendered as html.
But the key names in the data.xml should be localized before rendering (different data.xml contain different keys).
For example, the data.xml has such an element:
[Code]....
"
in the [Code].... folder, then use the [Code].... for each data.xml to retrieve the localized key names. That way Idon't need to read the xml myself. Is it possible?
P.S. This is a post I posted in stackOverflow some days ago. You can also answer it in stackOverflow:
http://stackoverflow.com/questions/2997211/asp-net-httpcontext-getlocalresourceobject-throws-invalidoperationexception, thanks:)
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I don't know fix it. My code:
[Code]....
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Feb 9, 2010
I think I've found a bug in the ModalPopupExtender. Here is the details:
Problem
When you use ModalPopupExtender within an UpdatePanel, the controls in the PopupControl (the Panel containing the content needs to be poped up) will be rendered, even though the NamingContainer (or the parent) of the ModalPopupExtender and the PopupControl is set to invisible. This may cause Event Validation error between AsynPostBacks. Cause
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Code
Default.aspx
[Code]....
Steps to reproduce the problem
Create a simple ASP.NET web application in VS using the code provided aboveRun the app in debug modeClick on button Show 1, and then click the link button Show. The popup panel should show up. Click either
OK or Cancel to close out the popup panel.Click on button Show 2. You will see the content in the popup panel is displayed at the bottom of the page. However, the content should be invisible and should not be rendered, or should be removed from the page.Click on button Show 1 again. You will see the familar error message: Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument...
Further explaination
This error has nothing to do with the ViewState. When button Show 1 is clicked the second time, the page will try to load data (including ViewState, PostData and Session) into the controls on the page before btn1_Click is called. At this moment, pnl1 is still invisible, so the page will only try to load the data for the controls in pnl2. However, if you check the Request.Form.AllKeys in the watch window, the TextBox
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Jan 6, 2010
i am getting this error, trying to connect to sqlserver! senario! im trying to connect 2 tables with corresponding information.
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