OverviewPage with data loading in OnAppearing

OverviewPage.cs

    public partial class OverviewPage : ContentPage
    {
        private OverviewVM _viewModel;

        public OverviewPage()
        {
            InitializeComponent();
            _viewModel = new OverviewVM();
            BindingContext = _viewModel;
        }

        protected override async void OnAppearing()
        {
            base.OnAppearing();
            await _viewModel.LoadData();
        }
    }