Commented Issue: AjaxFileUpload is not work at include querystring. [27155]

Below url is official ajax sample web site.

I was found upload error when attached querystring.

http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/AjaxFileUpload/AjaxFileUpload.aspx?test=test

Could you found workaround?
Comments: i have same problem as well. i'm stuck here without a solution