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How to refresh the item in SfListView automatically at runtime using timer?

Platform: Xamarin.Forms |
Control: SfListView

SfListView allows you to refresh the items at runtime by changing the ItemsSource in some time period using PropertyChanged event of SfListView.

Following example illustrates how to change the ItemsSource using PropertyChanged event by timer.


 public partial class MainPage : ContentPage
    public MainPage()
        listView.PropertyChanged += ListView_PropertyChanged;
    private void ListView_PropertyChanged(object sender, PropertyChangedEventArgs e)
        if (e.PropertyName == "ItemsSource")
    private async void InitializeTimer()
        await WaitAndExecute(2000, () =>
            var viewmodel = new BandInfoRepository();
            listView.ItemsSource = viewmodel.BandInfo;
    private async Task WaitAndExecute(int milisec, Action actionToExecute)
        await Task.Delay(milisec);


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