Ruby on Rails

On 28 May 2017 at 21:17, fugee ohu <fugee279@gmail.com> wrote:
> I wanna add a dropdown menu to my index view for the index action of my
> artists_controller Trying to use collection_select but it responds undefined
> method `collection_select' for nil:NilClass The idea is to list artists by
> genre
>
> <div class="field"> <%= f.collection_select( :artist, :genre, Genre.all,
> :id, :name) %> </div>

How are you setting f?

Colin

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