Get old state
I have two components in a Form. I can copy the value over from one component to the other. Now I want to have an action to undo this.
I tried the following:
Also, this:
Both return
Any ideas?
I tried the following:
Also, this:
Both return
null after I changed the value of the field. Not sure if I'm doing it right. Maybe I have to save the form first, but that is not what I want.Any ideas?