How to change the screen element to be ineditable in Dynpro POV

Hi Experts, any one has experience on how to change the screen element to be ineditable in Dynpro POV?

Write this piece of code in the PROCESS ON VALUE-REQUEST..
PROCESS ON VALUE-REQUEST.
FIELD MARA-MATNR MODULE matnr_mod.
MODULE matnr_mod input.
LOOP at Screen.
if screen-name=<field_name>.
screen-input = 0.
modify screen.
endif.
ENDLOOP.
ENDMODULE.
Thanks
Venkat.O

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Hi,
The modification of a screen element attribute (LOOP AT SCREEN...MODIFY SCREEN) must always be done in the PBO (for a dynpro, it will be in a PBO module, i.e. declared by MODULE ... OUTPUT)
About the loop at the internal table, it is done automatically by the system, also during the PBO, you'll find something like LOOP [AT itab] ... WITH CONTROL ... in the PBO part of the screen flow logic (note: you may have to complete with a supplementary READ TABLE if you don't use AT itab). So you don't need an additional loop.
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Edited by: rukbat on Oct 15, 2011 11:20 AM
Moderator Action and Advice:
Your gaudy rainbow-colored signature has been removed from this post.
Try to be professional, so that you are not percieved as a clown.

Well you could use a screen-flow. However this seems like a pretty clear use for a screen order, and I'm curious why you particularly want to avoid using a screen-order?
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How to change the screen element to be ineditable in Dynpro POV

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