Soru1.java 文件源码

private void btn_degistirActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btn_degistirActionPerformed
    // TODO add your handling code here:
       // UPDATE
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("BP2_LAB2PU");
    EntityManager em = emf.createEntityManager();

    Query q = em.createQuery("UPDATE Hasta h SET h.adi=:ad,h.soyadi=:soyad, h.idDoktor=:did  WHERE h.id=:id");
    q.setParameter("ad", txt_hastaadi.getText());
    q.setParameter("soyad", txt_hastasoyadi.getText());
    q.setParameter("did", doktorlar.get(cmb_doktorlar.getSelectedIndex()).getId());
    q.setParameter("id", tbl_hastalar.getValueAt(tbl_hastalar.getSelectedRow(), 0));
    em.getTransaction().begin();
    q.executeUpdate();
    em.getTransaction().commit();
    ///
    dtm.setRowCount(0);
    q = em.createQuery("SELECT h FROM Hasta h");

    List<Hasta> hastalar = q.getResultList();
    for (Hasta hs : hastalar) {
        dtm.addRow(new Object[]{hs.getId(), hs.getAdi(), hs.getSoyadi(), hs.getIdDoktor()});
    }
    tbl_hastalar.setModel(dtm);


}