public async void Delete_Clicked_Income(object sender, EventArgs e)
{
var handan = await DisplayAlert("確認", "削除してもよろしいでしょうか？", "OK", "キャンセル");
if (handan)
{
using (var db = new MyContext())
{
BindingContext = this;
var item = new Tra_Income();
Income income = new Income(db);
income.Delete_Income(this.viewModel.Id);
}
Application.Current.MainPage = new MainPage();
}
//await Navigation.PopModalAsync();
}
