Create Pagination using Codeigniter

Pagination.php        Controller

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Pagination extends CI_Controller {

function __construct()
{
parent:: __construct();
$this->load->model('pagination_model');
$this->load->library('pagination');
}

public function index()
{
$config=[
        'base_url' => base_url('Pagination/index'),
        'per_page' => 3,
        'total_rows' => $this->pagination_model->num_rows(),
        'full_tag_open' => "<ul class='pagination'>",
        'first_link' => false,
        'last_link' => false,
        'full_tag_close'=> "</ul>",
        'next_tag_open' => "<li>",
        'next_tag_close'=> "</li>",
        'prev_tag_open' => "<li>",
        'prev_tag_close'=> "</li>",
        'num_tag_open' => "<li>",
        'num_tag_close' => "<li>",
        'cur_tag_open' => "<li class='active'><a>",
        'cur_tag_close' => "</a></li>"
];

  $this->pagination->initialize($config);

  $data['dataList']=$this->pagination_model->dataList($config['per_page'],$this->uri->segment(3));
$this->load->view('include/header');
$this->load->view('pagination/pagination',$data);
$this->load->view('include/footer');
}
}

Pagination_model.php           Model

<?php

defined('BASEPATH') OR exit('No direct script access allowed');

class Pagination_model extends CI_Model {

public function num_rows()

  {

    $query=$this->db->select()

            ->from('tbl_form')

            ->get();

           return $query->num_rows();

  }

public function dataList($limit,$offset)

  {

   $query=$this->db->select('')

            ->from('tbl_form')

            ->limit($limit,$offset)

            ->get();

           return $query->result();

  }

}

pagination.php            View

<div class="container-fluid text-center">    

  <div class="row content">

    <div class="col-sm-12 text-left"> 

      <table class="table table-striped table-bordered nowrap dataTable dt-responsive">

        <thead>

            <tr>

                <th>S.no</th>

                <th>Text</th>

                <th>Dropdown</th>

            </tr>

        </thead>

        <tbody>

        <?php if(count($dataList)): ?> 

        <?php foreach ($dataList as $key => $art): ?>

        <tr>

        <td><?php  echo $art->id; ?></td>

        <td><?php  echo $art->text; ?></td>

        <td><?php  echo $art->dropdown; ?></td>

        </tr>

        <?php endforeach; ?>

        <?php else: ?>

        <tr>

        <td colspan="3">Not data available</td>

        </tr>

        <?php endif; ?>

        </tbody>

    </table>

    <?php  echo $this->pagination->create_links();   ?>

    </div>

  </div>

</div>

Sql Script

CREATE TABLE IF NOT EXISTS `tbl_form` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `text` varchar(100) NOT NULL,
  `dropdown` varchar(10) NOT NULL,
  `radio` varchar(10) NOT NULL,
  `checkbox` varchar(100) NOT NULL,
  `singleFile` varchar(100) NOT NULL,
  `multiplefile` varchar(255) NOT NULL,
  `status` tinyint(1) NOT NULL,
  `cdate` datetime(6) NOT NULL,
  `udate` datetime(6) NOT NULL,
  PRIMARY KEY (`id`)
)