public void DoAction(JobPositionInPeriodTreeVM vm)
{
if (vm.Period != null && vm.SelectedJobPositionInPeriod != null)
{
periodController.ShowJobPositionInPeriodInquiryView(vm.Period, vm.SelectedJobPositionInPeriod.Data,
ActionType.ManageJobPositionInPeriodInquiry);
}
}