<div class="dec qtybutton ">-</div>
                    <input type="text" value="<?php echo $values['qty'];?>"  name="qty[]"  id="qty" class="qty minhaj_update test">
                    <div class="inc qtybutton " >+</div>
                    </div></span>
                  </td>
                  <td class=" product-subtotal"><span class="money" data-currency-usd="<?php echo $values['subtotal'];?>"><?php echo $values['subtotal'];?></span></td>
                  <td class=" product-remove cartrmove" data-id="<?php echo $values['rowid']?>"><a href="javascript:void(0);" ><i class="fa fa-times" aria-hidden="true" ></i></a></td>
                </tr>
                <?php $i++; } ;?>
              </tbody>
            </table>
          </div>
          <div class="row table-responsive_bottom">
            <div class="col-lg-7 col-sm-7 col-md-7">
              <div class="buttons-carts">
                 <input class="theme-default-button" type="submit" value="Update Cart">
                 <a href="<?=base_url();?>">Continue Shopping</a>
</div></form>`

public function update_cartpage()
   {


  $roids=$this->input->post('rowid',true);
 $gty=$this->input->post('qty',true);


 if (!empty($roids)) {

  $data = array(
              'rowid' => $roids,
               'qty'     => $gty
            );


  /*  print_r($data);
  exit; */
  $this->cart->update($data);
 } else{
     echo "sorry";
     exit;
 }