Hi Gulden,
Please refer below links
https://forum.mendix.com/link/space/studio-pro/questions/85644
https://forum.mendix.com/link/space/app-development/questions/124436
Hope it helps
- On regular pages, you can use dynamic enum picker, which allows you to select an Enum and add values you really need to see
- On search, you dont have a direct option. If the search field you want to show is from some associated entity, then by default Mendix shows only the values that are already present in database, so, the blank option is still shown. You could still check the styling option suggested