I need to catch changes Expanded and under certain conditions, to cancel this action.
I tried to implement this by using event GroupRowIsExpandedChanging, but property args.Row.IsExpanded has changed.
Help me, please :(
2 Answers, 1 is accepted
answered on 17 Jul 2014, 11:47 AM
You can still use this event to cancel the expanded case. Just keep in mind the value of the e.Row.IsExpanded is the value after the user's action, not before it.
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