public CartViewModel(INavigation navigation, ObservableCollection <clsInvoice> items, TBillCount tbill)
{
total = new TBillCount();
this.Items = items;
_InvoiceApi = new InvoiceApi();
this.total = tbill;
this.navigation1 = navigation;
}
public BarcodeViewModel(INavigation navigation)
{
this.navigation = navigation;
IsVisisble = false;
Total = new TBillCount();
Total.TCount = 0;
Total.TBill = 0;
Items = new ObservableCollection <clsInvoice>();
_itemlistapi = new ItemsListApi();
_ = GetListOfItemsAsync();
}
public CartViewPage(ObservableCollection <clsInvoice> items, TBillCount tbill)
{
InitializeComponent();
BindingContext = new CartViewModel(Navigation, items, tbill);
}