app/views/admin/plate_purposes/edit.html.erb
<div class="page-header"><h1>Editing Plate Purpose</h1></div>
<%= form_for([:admin,@plate_purpose]) do |f| %>
<%= render_error_messages(@plate_purpose) %>
<p>
<%= f.label :name %><br />
<%= f.text_field :name %>
</p>
<p>
<%= f.submit "Update" %>
</p>
<% end %>
<%= link_to 'Show', [:admin, @plate_purpose] %> |
<%= link_to 'Back', admin_plate_purposes_path %>