private void MenuItemObrisi_Click(object sender, RoutedEventArgs e) { try { if (radioButton_searchKlijenta.IsChecked == true) { KlijentDAO k1 = new KlijentDAO("localhost", "Centar", "root", ""); Klijent k = new Klijent(); k = listBox_login.SelectedItem as Klijent; k1.delete(k); } else if (radioButton_searchPsa.IsChecked == true) { PasDAO pas1 = new PasDAO("localhost", "Centar", "root", ""); Pas p = new Pas(); p = listBox_login.SelectedItem as Pas; pas1.delete(p); } else if (radioButton_searchRadnika.IsChecked == true) { RadnikDAO radnik1 = new RadnikDAO("localhost", "Centar", "root", ""); Radnik r = new Radnik(); r = listBox_login.SelectedItem as Radnik; radnik1.delete(r); } listBox_login.Items.Remove(listBox_login.SelectedItem); } catch (Exception izuz) { System.Windows.Forms.MessageBox.Show(izuz.Message); } }