private void expoter_Clicked(object sender, RoutedEventArgs e) { string til = Convert.ToDateTime(tilDato.SelectedDate).ToString("yyyy/MM/dd") + " 00:00:00"; string fra = Convert.ToDateTime(fraDato.SelectedDate).ToString("yyyy/MM/dd") + " 00:00:00"; TimeBankViewModel.CsvFileWriter(til, fra); }