private void typeEditBtn_Click(object sender, RoutedEventArgs e)
        {
            Window w = new Window();

            w.Width  = 500;
            w.Height = 200;

            // 우선 loader 말고 그냥 박음.. listVM class 에서 refresh해야하는데 복잡허네..

            //Excel_scheduleLoaderView e_slv = new Excel_scheduleLoaderView();

            //e_slv.Excel_underlyingCalcInfoViewModel_ = this.viewModel_.Excel_underlyingCalcInfoViewModel_;

            Excel_scheduleViewModel selectedVM = this.ScheduleDataGrid_.SelectedItem as Excel_scheduleViewModel;

            // 그냥 우선은 수정 불가로 해놓자으

            //e_slv.SelectedScheduleTypeViewModel_ = selectedVM;

            w.Content = selectedVM.loaderView();

            if (w.ShowDialog() == true)
            {
                //this.viewModel_.Excel_scheduleViewModel_[selectedIndex] = selectedVM;

                selectedVM.descriptionUpdate();
            }
            else
            {
            }
        }