updating value taken from radiobutton

[cap]

hello, i have a field that output a text according to the choice of a radiobutton
This text is correctly saved, but it s not displayed in realtime when i change the radiobutton choice
Hox can be done?
here the code i use to get data from raddiobutton

$radiohaart = '{lista___haart_raw}';

if ($radiohaart == 'SI') {return 'E';}

if ($radiohaart == 'NO') {return 'NE';}

if ($radiohaart == '') {return '';}

thanks

 

[troester]

Calc element? Ajax calculation enabled?

 

[cap]

ahhh ok
yes i enabled ajax and it works!
thanks a lot!