epri-vtn_custom/app/views/application/_edit_columns_multi.html.erb

<div class="form">
    <fieldset>
      <h3 class="fieldset-heading"><%= header_text %></h3>

      <div class="row">
        <% names.each do |name| %>
          <% unless name.nil? %>
            <div class="col-md-4">
              <div class="form-group">
                <%= f.label model_class.fields[name].display_name, model_class.fields[name].display_name %><br />
                <%= model_class.fields[name].generate_field f, record[record.size - 1] %>
              </div>
            </div>
          <% end %>
        <% end %>
      </div>
    </fieldset>
</div>