<?php  include("includes/db_config.php"); 
if(isset($_POST["it_id"]))  
 {  
      $query = "SELECT itd.* FROM ah_item_details itd WHERE itd.id = '".$_POST["it_id"]."'";  
      $result = mysqli_query($conn, $query);  
      $row = mysqli_fetch_array($result); 
     // $row= $row['sale_price'] - ($row['sale_price'] * ($row['disc_sale'] / 100));
      echo json_encode($row);  
    //  echo json_encode(array("dsamt"=>"$dsamt"));  
 }  
 ?>