Maybe this will help: https://github.com/activescaffold/active_scaffold/wiki/Chaining-Form-Fields
PS: Just out of curiosity, shouldn't your model be something like this? class CostCode < ActiveRecord::Base has_many :subcontractors has_many :orders end On Sat, Oct 15, 2011 at 10:47 AM, JB <[email protected]> wrote: > I have the following model: > > class CostCode < ActiveRecord::Base > end > > class SubContractor < ActiveRecord::Base > has_many :orders > belongs_to :cost_code > end > > class Order < ActiveRecord::Base > belongs_to :sub_contractor > belongs_to :cost_code > end > > The UI for Order.sub_contractor is a select box. When I select the > sub_contractor on the order, how can I chain the fields so that the > sub_contractor.cost_code is used to populate the order.cost_code? > > -- > You received this message because you are subscribed to the Google Groups > "ActiveScaffold : Ruby on Rails plugin" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/activescaffold?hl=en. > > -- You received this message because you are subscribed to the Google Groups "ActiveScaffold : Ruby on Rails plugin" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/activescaffold?hl=en.
