private void SetData()
{
dgBanksysteem.ItemsSource = bc.allRekening();
cmbNaam.ItemsSource = bc.allKlanten();
cmbNaam.DisplayMemberPath = "Voornaam";
cmbBank.ItemsSource = bc.allBanken();
cmbBank.DisplayMemberPath = "Naam";
}
private void SetData()
{
dgKlanten.ItemsSource = bc.allKlanten();
}