To make visible and set mandatory of a field through server side scripting

[nityadadala]

Is making a field visible and mandatory through current. or gs. ,i.e, through server side scripting is possible in UI action scripting ?if yes,please help me with the steps.

[Kalaiarasan Pus]

If you open up 10's of question for the same thing, you will end up wasting your's and others time.

I have replied to your other question on how to identify the button that was clicked.