private async void GetStatistics(object currentMonth) { var month = currentMonth as DateTime?; if (!month.HasValue) { return; } IsBusy = true; var response = await _forecastService.GetForecastStatistics(month.Value, _selectedUserHandler.UserId); if (response == null) { Statistics = null; IsBusy = false; return; } Statistics = response.ForecastStatistics; IsBusy = false; }