C# (CSharp) BasketViewModel.AddQuantity示例

示例#1

        //прибавление количества порций
        private async void Button_Clicked_1(object sender, EventArgs e)
        {
            //var stringInThisCell = (string)((Button)sender).BindingContext;
            //myList.Remove(stringInThisCell);

            var mi  = ((Button)sender).BindingContext;
            var del = mi as BasketList;

            if (del != null)
            {
                await _basketViewModel.AddQuantity(del);
                await DisplayAlert("del", $"{del.Quantity}", "OK");

                var asd = _basketViewModel.BasketList.FirstOrDefault(x => x.BasketListId == del.BasketListId).Quantity;
                await DisplayAlert("Ошибочка", $"{asd}", "OK");

                basketList.ItemsSource = _basketViewModel.BasketList;
            }
            else
            {
                await DisplayAlert("Ошибочка", "объект не выбран", "OK");
            }
        }