async Task ExecuteLoadEventsCommand() { if (IsBusy) { return; } IsBusy = true; try { Events.Clear(); var events = await EventStore.GetAllEventAsync(); Debug.WriteLine("events count :::::: " + events.Count()); foreach (var _event in events) { if (string.IsNullOrEmpty(this.UserCity) || _event.City.Equals(this.UserCity)) { _event.PhotoUri = ImageStore.GetEventUrl(_event.PhotoUri); Events.Add(_event); } } } catch (Exception ex) { Debug.WriteLine(ex); } finally { IsBusy = false; } }