https://community.appian.com/discussions/f/user-interface/40359/how-to-detect-invalid-input-in-a-datefield-to-disable-a-save-buttonHi Appian community, I&#39;ve been dealing with a tricky validation problem with a!dateField and I wanted to share it here in case anyone has found a workaround. I have a form with several date fields that toggle between a!dateField (edit mode) and aen-USTelligent Community 12https://community.appian.com/thread/154384?ContentTypeID=1Thu, 23 Apr 2026 15:28:26 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:19d28a84-536f-46aa-a376-45cf64e19078Shubham Aware<p>a!dateField does not let you reliably detect invalid typed text, because Appian stores invalid input as null. If null is also valid, you must either rely on the field&rsquo;s native validation or switch to a text field with custom parsing if you need the raw input.</p><div style="clear:both;"></div>