This example is an illustration of the How to show ASPxPopupControl on the ASPxGridView's CustomButton click KB Article. Refer to the Article for an explanation.
Question Comments
Added By: Gilberto Couto at: 3/6/2015 1:38:51 PM
I don't know if this is a problem, but I noticed if the gridview have a pagination, the event OnWindowCallback is firing after every page change.
Is that normal?