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Nicolas,
When a parameter on a selection screen is set to output-only, the user can still display the associated search help, but can't select anything from it. You could probably code a call to the search help in the AT SELECTION-SCREEN ON VALUE REQUEST event for the parameter (something along the lines of what Stan is suggesting), but I think the whole scheme of an output-only parameter that isn't really output-only is kinda kinky.
I'm guessing that the goal here is to limit the user to selecting from a subset of the valid values available for the field. Why not just make it a regular input-capable parameter, then in the AT SELECTION-SCREEN ON <fieldname> event, do the necessary validation to ensure that the user has provided an allowed value. It seems to me that would be more intuitive to the user anyway. And you could give a very specific error message explaining the reason why the entry is invalid.
Cheers,
Terry
| | | ---------------Original Message---------------
From: Nicolas de los Reyes
Sent: Tuesday, September 20, 2011 1:49 PM
Subject: How to Grey Out a Parameter
Hi Terry,
I see you've caught the idea. I am trying to simulate the same logic se63 is using, but my program is a report instead of a module pool... I'll keep on googling, if you find something else please let me know!
Thanks! |
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