Controls / DropDownTree / Client Side Programming / Events
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The OnClientEntryRemoving client-side event is fired when an entry is about to be removed from the Entry area.
The event handler receives two parameters:
The instance of the RadDropDownTree client-side object.
An Event argument parameter.
The event can be cancelled - simply set args.set_cancel to true - args.set_cancel(true); from the event handler and the entry from the dropdown will not be removed.
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