<?php
// application/controllers/Tracks.php
defined('BASEPATH') OR exit('No direct script access allowed');

use Ozdemir\Datatables\Datatables;
use Ozdemir\Datatables\DB\CodeigniterAdapter;

class Tracks extends CI_Controller
{
    public function ajax()
    {
        $this->load->database();

        $dt = new Datatables(new CodeigniterAdapter($this->db));
        $dt->query('Select TrackId, Name, UnitPrice from Track');

        echo $dt->generate();
    }
}