问删除记录后冻结的程序(GUI)

EN

  private void btnDeleteRecordActionPerformed(java.awt.event.ActionEvent evt) {                                                
    // TODO add your handling code here:
    try {
        rs.deleteRow();
        stmt.close();
        rs.close();

        stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
                ResultSet.CONCUR_UPDATABLE);

        String sql = "SELECT * FROM Workers";
        rs = stmt.executeQuery(sql);

        rs.next();
        int id_col = rs.getInt("ID");
        String id = Integer.toString(id_col);
        String first = rs.getString("First_Name");
        String last = rs.getString("Last_Name");
        String job = rs.getString("Job_Title");

        textID.setText(id);
        textFirstName.setText(first);
        textLastName.setText(last);
        textJobTitle.setText(job);
    } catch (SQLException err) {
        //  System.out.println(err.getMessage());
        JOptionPane.showMessageDialog(Workers.this, err.getMessage());
    }

}