private void btnSalvarActionPerformed(
      java.awt.event.ActionEvent evt) { // GEN-FIRST:event_btnSalvarActionPerformed
    // TODO add your handling code here:
    if (JOptionPane.showConfirmDialog(RootPane, "Deseja salvar as disciplinas deste professor?")
        == 0) {
      for (ProfessorDisciplinas pd : professordisciplinas) {
        professordisciplinadao.Salvar(pd);
      }

      for (ProfessorDisciplinas pd : professordisciplinasapagar) {
        professordisciplinadao.Apagar(pd);
      }

      JOptionPane.showMessageDialog(RootPane, "Disciplinas do professor salvas!");
      this.dispose();
    } else {
      JOptionPane.showMessageDialog(RootPane, "Ação cancelada!");
    }
  } // GEN-LAST:event_btnSalvarActionPerformed