ActiveAdmin forms (new/edit) belongs_to association?

Question

I use Active Admin gem for Ruby on Rails. I have modules Team and Coach, which have a has_many and belongs_to relationship. ``` class Team < ActiveRecord::Base belongs_to :coach end class Coach < ActiveRecord::Base has_many :teams end ``` I figured out how to display first name and last name on index and show page (i did it like that:) ``` index do column :name column "Coach" do |team| team.coach.firstname + " " + team.coach.lastname end default_actions end ``` What i want is how to display first name and last name of coach in Team form (new and edit page) in dropdown menu? Please help me with this.

Accepted Answer

Can you try this

```
f.input :coach_name, :as => :select, :collection => Coach.all.map {|u| [u.firstname, u.id]}, :include_blank => false
```

ActiveAdmin forms (new/edit) belongs_to association?

Solution

Problem