private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        int ok=JOptionPane.showConfirmDialog(null,"Apakah Yakin Untuk Update Record ini???","Confirmation",
                JOptionPane.YES_NO_OPTION);
         try
        {
            String sql="update data_kontak set id_kontak=?,nama_kontak=?,no_kontak=?,Alamat=?,status=? where id_kontak='"
                    +ilham_id_KontakTextField.getText()+"'";
            PreparedStatement st=con.prepareStatement(sql);
            if(ok==0)
            {
                try
                {
                    st.setString(1, (String) ilham_id_KontakTextField.getText());
                    st.setString(2, (String) ilham_nama_KontakTextField.getText());
                    st.setString(3, (String) ilham_no_KontakTextField.getText());
                    st.setString(4, (String) ilham_alamat_KontakTextField.getText());
                    st.setString(5, (String) ilham_statusComboBox.getSelectedItem());
                    st.executeUpdate();
                    JOptionPane.showMessageDialog(null,"Update Data Sukses");
                }catch (Exception e)
                {
                    JOptionPane.showMessageDialog(null, "Update Data Gagal");
                }
            }
        }catch (Exception e){}
    }