public async void SaveOrderList(List <SampleItem> listItem)
{
SampleItems sampleItems = new SampleItems();
sampleItems.List = listItem;
string result = sampleItems.Organizate();
await result.Save(fileName);
}
public async void SaveOrder(SampleItem sampleItem)
{
string content = await fileName.GetContent();
SampleItems sampleItems = new SampleItems(content);
sampleItems.List.Add(sampleItem);
string result = sampleItems.Organizate();
await result.Save(fileName);
}