I think you need an input box instead of a text box for your date in that case, and you reset to default (=Today()) if 1 is selected in the dropdown.
Please let me know if this is not clear or does not work and I will try when I have time.
We're excited to announce our first cross-community 'Can You Solve These?' challenge!
Reopen responsibly, monitor intelligently, and protect continuously with solutions for a safer work environment.
We are excited for the next Super User season.
FIll out a quick form to claim your community user group member badge today!
Features releasing from October 2020 through March 2021