If specified, the OnClientNavigationCommand client-side event handler is called when the scheduleris about to execute a navigation command. In the case of server-side binding, the event will not be raised.
Two parameters are passed to the handler:
sender - the scheduler client object;
eventArgs with three properties:
get_command() - the navigation command that is being processed.
get_selectedDate() - the date that RadScheduler will navigate to.
set_cancel() - set to true to cancel the operation.
This event can be cancelled.