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copied!<p>if I understand your requirements correctly, you're searching for nested forms as excellently described by Ryan Bates at railscasts.com</p> <p>Tutorial 1: <a href="http://railscasts.com/episodes/196-nested-model-form-part-1" rel="nofollow">Nested Model Form Part 1</a></p> <p>Tutorial 2: <a href="http://railscasts.com/episodes/197-nested-model-form-part-2" rel="nofollow">Nested Model Form Part 2</a></p> <p>Here is some more help for you:</p> <p>In your Bash model</p> <pre><code>has_many :samples accepts_nested_attributes_for :samples </code></pre> <p>Your Bash Controller will have at least 2 actions: new and create In your new action:</p> <pre><code>@bash = Bash.build 4.times { @bash.samples.build } # where 4 is the no. of samples, could also be param[:amount] in case you add a preliminary action with a form and an amount field, but I suggest using javascript as described in Tutorial 2 above for better user experience </code></pre> <p>In the create action:</p> <pre><code>@bash = Bash.new(params[:bash]) # you now have access to @bash.samples if @bash.save ... </code></pre> <p>And finally the "new" view:</p> <pre><code><%= form_for @bash do |f| %> <%= f.text_field :group_leader %>  <%= f.fields_for :samples do |builder| %> <%= builder.text_field :sample_name %>  <% end %> <%= end %> </code></pre> <p>With this and the tutorials you should now be able to build a killer app for your degree's application. Good luck!</p>

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