I have a "date" field. I try to implement the following:
on the "Constraints" column, without any success.
Searching previous posts, I made sure that I have the latest version of ArcGIS Connect (3.9) installed.
I also tried this workaround without success:
Indeed, it seems that since 3.5, the validation occurs only when the form is submitted.
I made a new thread some time ago about that issue:
And Gee made an ArcGIS idea to change that behavior:
Please consider voting for it !