<%= semantic_form_for "lvas[]", :url=>update_lvas_modul_path(@modul) do |ff|%> <% i = 0 %> <% @lvas.each do |lva|%> <% i = i +1 %> <%= semantic_fields_for "lvas[#{i}]", lva do |f|%> <%= render 'lvas/nested_fields', :f => f,:lva=>lva %> <% end%> <% end %> <%= ff.actions do %> <%= ff.action :submit, :as => :button %> <%= ff.action :cancel, :as => :link %> <% end %> <% end %>