As a test, try this

lnOrderNumber = Orders.Order_No
select orders
set filter to order_no=lnOrderNumber 
REPORT FORM Order PREVIEW

This code should do exactly the same, but it's worth a try...

>Yes, that is what is so bewildering is that lnOrderNumber does hold the correct value.
>
>>Have you checked that lnOrderNumber actually holds the record you want?