this probably is pretty simple, but after lots of useless code-reading I thought this is worth a forum topic.
So imagine there is a Tour class which hasOne MeetingPoint. so, when setting
a dropdown is created in which user can select a MeetingPoints, all available meeting points are shown.
So now the task is to add another value to this dropdown. Actually, I am lost on this.
What I want to do is to add an “empty” selection to the top (id 0 or less, display text …). When there is no Meeting Point selected yet, this option is there, but once a meeting point is selected its gone.
Empty selection there:
Empty selection gone when a record was selected: