public MainWindow() { InitializeComponent(); kit.Show(); var menuFood = new ObservableCollection <Products>(); menuFood = DataStorageClass.ReadXml <ObservableCollection <Products> >("foodProducts.xml"); foreach (var item in menuFood) { if (item.category == 2) { MainWindow.drink.Add(item); } else if (item.category == 1) { MainWindow.food.Add(item); } else if (item.category == 0) { MainWindow.starters.Add(item); } } persistantBillData = DataStorageClass.ReadXml <ObservableCollection <BillHistoryData> >("billingData.xml"); Frm_pageView.Content = welcome; Dpl_bill.Visibility = Visibility.Hidden; Dpl_new.Visibility = Visibility.Hidden; Dpl_ready.Visibility = Visibility.Hidden; }
private void Window_Closed(object sender, EventArgs e) { DataStorageClass.WriteXml <ObservableCollection <BillHistoryData> >(persistantBillData, "billingData.xml"); }