Editing photo_file

<%= error_messages_for :photo_file %> <% form_for(@photo_file) do |f| %>

Image filename
<%= f.text_field :image_filename %>

Image width
<%= f.text_field :image_width %>

Image height
<%= f.text_field :image_height %>

<%= f.submit "Update" %>

<% end %> <%= link_to 'Show', @photo_file %> | <%= link_to 'Back', photo_files_path %>