>>>Hi everybody,
>>>
>>>I added NODEFAULT and return in Checkbox Click event, but it still changes the value.
>>>
>>>How can I prevent it?
>>>
>>>Thanks in advance.
>>
>>Set it to ReadOnly or Enabled = false
>
>No, I need to be able to change the value. Why NODEFAULT in Click doesn't work? I may also try InteractiveChange instead - do you think it'll work?

I think I need to use When event instead - let me try this.