Forms authentication with Grid

[earl]

Hi, I have a site which uses forms authentication and has a grid with an AJAX manager. When the session expires, I'd like the user to be bounced back to the login page. A page refresh sends me back to the login correctly. However, when interacting with the grid (sorting, filtering, etc) after the session has expired, I get the following error in a popup box:

Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 0

I searched the forum for solutions, but all the posts appear to be a few years old. What is the current solution to this problem? Thanks.

[Pavlina]

Hello Earl,

The control is most probably Ajaxified, and I suspect that is not the original exception generated.
To further troubleshoot the problem, please open a formal support ticket, and send us a small project replicating the issue. We will review it locally, and get back to you with our findings.

Kind regards,
Pavlina
the Telerik team

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[Daniel]

Hi,

I am experiencing same problem with ajaxified grid in webforms project. Whenever authentication expires, I am experiencing js error from grid's manipulations. 

Any help will be greatly appreciated.