How to omit existing child records in a nested form in rails?

Method to distinguish between newly created record and old one.

Method to distinguish between newly created record and old one: 'project', :locals => {:f => project_form} if project_form.object. New_record? %.

That's exactly what I needed, thank you – deb Feb 26 '10 at 18:55.

You can try 'project', :locals => {:f => project_form} %> that should give you blank fields for one record. In the controller you can generate multiple records for the relationship 5. Times { @user.projects.

Build } This will make five new empty projects related to the user and your current fields_for will have fields for new records.

I think your answer makes perfect sense, but for some reason the fields are not being highlighted when the validation fails. I get the same problem when generating the fields without form builder. Thanks!

– deb Feb 26 '10 at 18:55.

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