Auto refresh grid after a configured amount of time. For this case 15 seconds

<?php
    // Get an instance of the Xcrud class
	$xcrud = Xcrud::get_instance();	

    // Set the table to work with
	$xcrud->table("orderdetails");

    // Define which columns to display in the table
    $xcrud->columns("orderNumber,productCode,orderLineNumber,quantityOrdered,priceEach,total");

    // Define which fields are available for data entry or editing
    $xcrud->fields("orderNumber,productCode,orderLineNumber,quantityOrdered,priceEach,total");

    $xcrud->relation("officeCode","offices","officeCode","city");
    // Hide the 'extension' field when the 'officeCode' IN '7,3,4'(London, NYC, Paris)
    $xcrud->set_formular("total","{quantityOrdered}+{priceEach}","onmouseout"); //{lastName}+''+{firstName}@gmail.com
    $xcrud->set_routine("autorefresh","15");//number of seconds
    /*$xcrud->set_routine("save","5");//save after ever of seconds
    $xcrud->set_routine("query","5","update x set y =1");*/

    $xcrud->readonly("total");
    $xcrud->label("total","Total");
    // Render the xcrud instance to display the table and form
    echo $xcrud->render();	
?>

SELECT `orderdetails`.`orderNumber` AS `orderdetails.orderNumber` 
,`orderdetails`.`productCode` AS `orderdetails.productCode` 
,`orderdetails`.`orderLineNumber` AS `orderdetails.orderLineNumber` 
,`orderdetails`.`quantityOrdered` AS `orderdetails.quantityOrdered` 
,`orderdetails`.`priceEach` AS `orderdetails.priceEach` 
,`orderdetails`.`total` AS `orderdetails.total` 
,`orderdetails`.`id` AS `primary_key` 
 
 FROM `orderdetails`
 
 
 
 LIMIT 0,10