Hi, sometimes I'm very disappointed from the Microsoft AJAX team, there are good ideas, but implementation... It's very interesting - did they test a new release before put it for the downloading?!
I have a project, and all are working good with previous version, but I installed new version... On the first home page with a simple MultiView control in the UpdatePanel and two ValidatorCalloutExtender controls, there are different errors after clicks - "'_events' is null or not an object", "'originalWidth' is null or not an object", also if both textboxes related to the ValidatorCalloutExtender controls are empty and I click on the submit button - the error message for first textbox is displayed correctly, but I enter some text in the first textbox, click submit button again - an error message for second (empty!) textbox isn't displayed.
So what is it? Release version?!!
P.S. I modified and checked changes in the web.config few times... I didn't miss something. Also I updated AjaxControlToolkit.dll...