// Buttons
        private void ListViewMenu_SelectionChanged_1(object sender, SelectionChangedEventArgs e)
        {
            UserControl usc = null;

            mainSubColumn.Children.Clear();

            switch (((ListViewItem)((ListView)sender).SelectedItem).Name)
            {
            case "stStocks":
                usc = new usc_parent_overviews();
                mainSubColumn.Children.Add(usc);
                break;

            case "stAddItem":
                usc = new usc_parent_add_item();
                mainSubColumn.Children.Add(usc);
                break;

            case "stItemReq":
                usc = new usc_parent_request();
                mainSubColumn.Children.Add(usc);
                break;

            case "stRestock":
                usc = new usc_parent_restock();
                mainSubColumn.Children.Add(usc);
                break;
            }
        }
        // Cancel Button
        private void submitCancel_Click(object sender, RoutedEventArgs e)
        {
            usc_inventory        ui  = new usc_inventory();
            usc_parent_overviews upo = new usc_parent_overviews();

            ui.mainSubColumn.Children.Add(upo);
        }
        public usc_inventory()
        {
            InitializeComponent();
            usc_parent_overviews upo = new usc_parent_overviews();

            mainSubColumn.Children.Add(upo);
        }