How to get a default option in drop down recognized using behaviours

Question

I am making a field Hidden or not hidden based off a drop down selection. I can get it to work, but the default "None" in the drop down isn't recognized by my behaviour and doesn't Hide it or make it appear. Is there a way to code it so that it can read the default option? See code below:

Tim Perrault · Accepted Answer

Hi @Aaron Andrade

Try

if (PTF.getValue() == null)

instead of the == "none"

Thanks,

Tim