How to let user submit an item on database but limited to only 1 row per user

@J.D.
I think, althoug your provided tip is good, it won’t be enough info for the post-opener, to get it to work. But i am curious!

There is still a little → but ! ← Another aspect, which won’t let the given code working, like expected (even if the code is completed), if the Submissin-Button…and if a dataset…???

Let’s take a look if the post-opener can complete the question.
Completed-Question = Answer :wink: