Checkbox change value in target text box

Dear all!

I could use some help with what I believe would not surpass a little line of programming again.

Once values are added to a text field 'Fees in €' via Dynamic Dropdown I'd like to add a checkbox option that changes the value to '0' once checked. How could I achieve this? Thanks for any help.



Cheers and thanks for all the support so far!
Chris

PS: please ignore the typo left of the checkbox😉

Hello CrystalFrontier,
I'm not a Chrono professional, but after checking your new post, I think that the following links may help:
How can I show/hide a textarea when a checkbox is clicked?
P.S: I'm just an automated service😉

Hi Chris,

You do need some JavaScript and Professor Calculus' answer is pretty close, there should be enough there to set you on the right track.

Bob

Hello Bob,

what do you know... I did figure it out myself! Got a bit confused about the container_div issue, but I didn't want to make the text area disappear, just change the value to 0, and so I did.

'Prof' Calculus did just well in this case😉

Cheers
Chris