update ci

Controller:
public function update($id)
{
  $row = $this->Berita_model->get_by_id($id);
  if ($row)
  {
    $this->data['id'] = array(
      'name'  => 'id',
      'id'    => 'id',
      'type'=> 'hidden'
    );

    $this->data['judul'] = array(
      'name'  => 'judul',
      'id'    => 'judul',
      'type'  => 'text',
      'class' => 'form-control',
      'value' => $this->form_validation->set_value('title',$row->judul),
    );

    $this->load->view('berita_update', $this->data);
  }
  else
  {
    $this->session->set_flashdata('message', 'Data tidak ditemukan');
    redirect(site_url('berita'));
  }
}

Model:
function get_by_id($id)
{
  $this->db->where($this->id, $id);
  return $this->db->get($this->table)->row();
}

View:
<?php echo form_input($id);?>
<div class="form-group"><label>Title</label>
  <?php echo form_input($title);?>
</div>
<div class="form-group"><label>Gambar Sebelumnya</label>
  <img src="assets/images/berita/<?php echo $userfile.'_thumb'.$userfile_type ?>" >
</div>