File Content: update_productDetails.php <?php include("../library.php"); echo $id=count($_REQUEST['id']); for($i=0;$i<$id;$i++) { $pId=$_REQUEST['id'][$i]; $qty=$_REQUEST['qty'][$i]; $price=$_REQUEST['price'][$i]; $dis=$_REQUEST['dis'][$i]; $totalAmount=$qty*$price; $totalAmount=($totalAmount-($totalAmount*$dis/100)); $query="update tbltemporder set totalAmount='$totalAmount',qty='$qty' where id=$pId"; $result=$mysql1->m_Query($query); } header("location:../cart.php?msg=success"); ?> Submit