private void btnASave_Click(object sender, RoutedEventArgs e)
{
athleteConnection.UpdateAthlete(_personId, _athleteFirstName, _athleteLastName, _athleteFathersName, _athleteSex, _athleteDateOfBirth, _athleteFirstPhone, _athleteSecondPhone, _athleteEmail, _athleteAddress, _athleteAddressNum, _athleteTK, _athleteCountryCode, _athleteCity, _athleteRank, _athleteClubId);
MessageBox.Show("Succesfully saved!");
}
