How to display record based on their ID?

This is my index.php file

<a itemprop="title" style="text-transform: capitalize;color:#29aafe" href="<?=site_url('jobdetails/#'.$row->JPostID);?>"><?=$row->JTitle;?></a>

This is my model.php

public function getRowByJob($id){

     

$this->db->select('*');

            $this->db->from('jobs');

            $this->db->where('JPostID', $id);

            $query = $this->db->get();

            if($query->num_rows() > 0)

                return $query;

                   

}

This is my controller.php

public function jobdetails(){

   

$data = array();

    $id = $this->input->get('id');

   $data['jobdata'] = $this->mymodel->getRowByJob($id); // it is model method to fetch the record of that users having id = $id

   $this->load->view('jobdetails',$data);

 

}

This is my jobdetails.php

<?php                         

                        foreach($jobdata as $row){?>                                        

                     <div class="block-section box-item-details" itemscope itemtype="http://schema.org/JobPosting">

                        <h2 class="title" itemprop="title" style="text-transform: capitalize;"><?=$row->JTitle;?></h2>

</div>

theromie