Conditional radio buttom in IWP
I have 2 radio button set field; The first one display " Yes" and "No" from a valur list
the second , display " Up" and "Down" .
What I shoud do,In IWP, when user select "yes" from the first radio boutton , he can't select anything from the second one ;
But , when user select "No" , he can't choose from the second radio boutton " Up" OR " Down " .