Step by step:
Note: The definition of de Datetime is not nulleable.
Screenshot:
Project: Attachment zip file.
Hello Pablo,
We have an open Bug Report regarding this behavior, you can see it from the Deleting the date with the keyboard when bound to non-nullable DateTime leaves incorrect validation messages and state after a valid date is selected thread. I have given your Vote for it, to raise the popularity and you can Follow it to receive email notifications on status updates.
Regards,
Svetoslav Dimitrov
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