public MicrochartPage()
        {
            InitializeComponent();

            if (Device.RuntimePlatform == Device.iOS)
            {
                this.Padding = new Thickness(0, 70, 0, 0);
            }

            BindingContext = new ViewModel.DisplayChartViewModel();
        }
 public HistoricoView()
 {
     InitializeComponent();
     BindingContext = new ViewModel.DisplayChartViewModel();
 }