private void ReturnToShelf_Click(object sender, RoutedEventArgs e) { Merchandise merchandise = (Merchandise)ShoppingCart.SelectedItem; if (ShoppingCart.SelectedItem != null) { Store.shoppingCart.Remove(merchandise); Store.forSale.Add(merchandise); Store.totalPrice = Store.totalPrice - merchandise.Price; UpdateDataGrids(); } }
private void PlaceInCart_Click(object sender, RoutedEventArgs e) { Merchandise merchandise = (Merchandise)ForSale.SelectedItem; if (ForSale.SelectedItem != null) { Store.shoppingCart.Add(merchandise); Store.forSale.Remove(merchandise); Store.totalPrice = Store.totalPrice + merchandise.Price; UpdateDataGrids(); } }