void OnDelete(object sender, EventArgs e)
        {
            RelatorioInicial selectedItem = (RelatorioInicial)sender.GetType().GetProperty("CommandParameter").GetValue(sender, null);

            Puma.ModelosBanco.Relatorios relatorio = database.GetRelatorio(selectedItem.Id);
            database.DeleteRelatorio(relatorio);
            this.AtualizaLista();
        }
 public void PressCriarRelatorio(object sender, EventArgs r)
 {
     Puma.ModelosBanco.Relatorios relatorio = new Puma.ModelosBanco.Relatorios();
     database.CriarRelatorio(relatorio);
     Navigation.PushAsync(new PaginaRelatorio(relatorio.Id, database));
 }