public BiletDTO getBilet() {return bilet;}
public void setBilet(BiletDTO bilet) {this.bilet = bilet;}
public void save(ActionEvent action) {
try {
DelegateM4 delegate = new DelegateM4();
long id = delegate.addBilet(bilet);
} catch(Exception e) {e.printStackTrace();}
session.setAttribute(SessionVariables.BILET_DTO, null);
session.setAttribute(SessionVariables.BILET_LIST_DTO, null);
}
public void update(ActionEvent action) {