protected override async void OnAppearing()
{
alun = i.Pegaralunos();
BindingContext = alun as AlunoBean;
base.OnAppearing();
i.ConsultarAlunosLista();
}
public async void Button_ClickedDeletar(object sender, EventArgs e)
{
var actionDeletar = await DisplayAlert("Deletar", "Voce escolheu Deletar seu maldito se tem certeza ", "Ok", "Cancelar");
InserirAlunos i = new InserirAlunos();
if (actionDeletar == true)
{
await servicaoalunao.DeleteAlunoAsync(alun);
i.DeletarAlunoss();
i.ConsultarAlunosLista();
}
await PopupNavigation.Instance.PopAsync();
}