Hi, I thought I'd try this again with the latest release but still get the error, after further investigation I have determined it only errors if there is an AjaxControlToolkit Calender Extender on one of the fields in the popup (the calendar popup actually has to display for the error to occur). replacing the textbox and calendar extender for a raddatepicker works with no error but could you please investigate with the following scenerio.
With RadAjaxManager, AjaxControlID=RadGrid1 & AjaxUpdatedControl=RadGrid1
RadGrid with EditMode=PopUp
One field in popup to have TextBox & ajaxcontroltoolkit calendar extender
In Insert mode, make sure calendar shows in popup, choose insert and error occurs before the popup disappears;
Error: '_events' is null or not an object