rubyonrailsin

On Mar 15, 5:42 am, MarkB <mark_ba...@hotmail.com> wrote:
> My first attempt at working with a new has_many relationship is
> throwing an error in the view when I try to create a new 'rcost'
> instance linked to a 'resource' (each resource can have multiple
> costs):
>
> "undefined method `rcosts_path' for #<ActionView::Base:0x715bc60>"
>
> Here is the view (new.html.erb) code that appears to be causing the
> error (I do not reference rcosts_path anywhere in the view):
>
> <% form_for(@rcost) do |f| %>
>

rcosts_path is being invoked by form_for, when it computes where the
form should be posting too. Since you've got a nested resource you've
got to tell form_for which Resource this @rcost belongs to.

Fred

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