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Issue with UltraWebGrid with WinForms WebBrowser control
posted

I recently received a support ticket from a user who was encountering a script error while working with the UltraWebGrid in one of our older applications. The application is a WinForms application that among other things is using a WebBrower control to display a web page that the user edits. Prior to the user's machine upgrade where she was using Windows XP and IE8, the page did not report an error, however since upgrading to Windows 7 and IE9 the user encounters an error trying to update a column in the UltraWebGrid.

The error the user is receiving is as follows:
 Line: 11238
Char: 2
Error: Unable to get value of the property 'init': object is null or undefined

Do you want to continue running scripts on this page?

On top of that once the error occurs, clicking the Yes or No dialog simply prompts with the dialog forcing one to go to the Task Manager and kill the application.

I've taken a look at the application to see which version of Infragistics UltraWebGrid the application (Web form) is using and it is as follows:
<%@ Register assembly="Infragistics2.Web.v8.3, Version=8.3.20083.1009, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" namespace="Infragistics.Web.UI.GridControls" tagprefix="ig" %>
<%@ Register assembly="Infragistics2.WebUI.UltraWebGrid.v8.3, Version=8.3.20083.1009, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" namespace="Infragistics.WebUI.UltraWebGrid" tagprefix="igtbl" %>

Also I looked up the issue on these forms and found this entry stating that the issue is an IE9 bug that Infragistics was supposed to be patching at some point, however I don't know what the progress is on that effort. The article also seems to infer replacing the UltraWebGrid with a new version, however to us that really isn't an option. We need a patch fix. Here is the Forum URL:

http://ko.infragistics.com/community/forums/t/53278.aspx

Are there any immediate solutions (patch fixes) out there that will resolve this issue?

 

 

 

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