Hello Alex,
Thank you for writing
You can set the visibility of the element to
Collapsed. Please note that with this approach you will see the back color of the RadPivotGridElement which in the ControlDefault theme is white:
If this does not fit your local setup you can try collapsing the aggregate description elements:
I am sending you attached a screenshot showing the result after handling the event.
Regards,
Hristo
Progress Telerik