else if (Item == 1)
{ /* Computer List) */
    comboBoxOrderBy.setModel(new DefaultComboBoxModel(new String[] { "computer_id", "cpu_model",
        "cpu_clock", "ram", "hdd", "os", "archit", "computer_name", "computer_type",
    "computer_brand", "computer_model", "serial_number", "status" }));
    comboBoxOrderBy.addActionListener(
    new ActionListener()
    { /*
        * ACÇAO DA CAIXA
        * ORDER BY
        */
        public void actionPerformed(ActionEvent arg0)
        {
            String teste = (String)comboBoxOrderBy.getSelectedItem();
            JOptionPane.showMessageDialog(frmInventoryDatabaseManager, teste);
            try
            {
                /*
                * BEGINING OF DATABASE REQUEST
                */
                Connection lig = DriverManager.getConnection(
                "jdbc:mysql://localhost/inventorydb", "root", "");
                PreparedStatement inst = lig.prepareStatement(
                "SELECT computer_id, cpu_model, cpu_clock, ram, hdd, "
                + "os, archit, computer_name, computer_type, computer_brand, "
                + "computer_model, serial_number, status FROM computerlist ORDER BY ? ASC");
                inst.setString(1, teste);
                ResultSet rs = inst.executeQuery();
                table1.setModel(DbUtils.resultSetToTableModel(rs));
                lig.close();
                /*
                * END OF DATABASE REQUEST
                * SERVICES
                */
            }
            catch (SQLException e1)
            {
                JOptionPane.showMessageDialog(frmInventoryDatabaseManager,
                "Impossivel ligar á base de dados: "
                + e1.getLocalizedMessage());
            }
        }
    });
}

suaTable.setAutoCreateRowSorter(true);