Prevent 2nd field display entry

When I enter any field from the drop-down using dynamic selection it enters the first and second display into the field.This was not the case with previous ASPM… is there any way to prevent this, I want only the first display to enter my edit fieldThanks

Use Edit Tag → Option Template to specify custom layout for the lookup. Read:
https://aspnetmaker.dev/docs/#/lookuptable.html?id=option-template