Clear the content of a text field

hello guys,
i have text fields in a screen which are been populated in the PBO. Now i want to clear the content of the text field such that the user can input new values in those text field.
so, anyone knows how i can achieve this.
tried,
text field name = ' ', space.
clear text field name.
but none worked.
thanks you for ur help.

Hi,
I think you have doen some thing like this in PBO.
screen_field_name = 'some value'.
So now in PAI you can do the following.
CASE sy-ucomm.
WHEN 'F_CLEAR'. " Fcode for the clear button in the screen.
CLEAR : field_name.
ENDCASE.
If the field is a mandatory field then you need to create a AT EXIT module and write the same code in that.
Hope it helps you.
Thanks,
Sri.

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