>>>I am getting different results when I run the same prg:
>>>-from within a form
>>>and
>>>-at the command prompt
>>>
>>>Is there any logic to this?
>>
>>Many thing can be affecting this, but the first one that comes to mind is Private data session forms may have different settings than your command window.
>
>the form datasession is set to 1 default data session
>In the form when user makes selection to run the prg, it simply runs a standalone prg.

What ever difference you're seeing, you're going to have to determine the cause and handle that in the prg.