private void btnDelete_Click(object sender, RoutedEventArgs e)
{
Athlete athelete = ((FrameworkElement)sender).DataContext as Athlete;
if (MessageBox.Show("Are you sure", "Question", MessageBoxButton.YesNo, MessageBoxImage.Warning) == MessageBoxResult.Yes)
{
if (athelete != null)
{
_athleteRepository.DeleteAthlete(athelete);
_athleteRepository.Save();
_athleteManager.Athletes.Remove(athelete);
_athleteManager.NextBib = _athleteRepository.GetMaxBib() + 1;
}
}
}