anchor.diff:                          </tr>
                           <tr>
                               <td class="text-nowrap">Giá</td>
  -                            <% @compare.compare_items.get_all_items.each do |compare_item| %>
  +                            <% all_items.each do |compare_item| %>
                               <td>
                                   <div class="price">
                                       <span class="price-new"><%= format_price(compare_item.product.product_price) %></span>
  
positive.code:                     <tbody>
                          <tr>
                              <td></td>
                              <% @compare.compare_items.get_all_items.each do |compare_item| %>
                              <td>
                                  <%= form_tag erp_online_store.add_to_cart_frontend_cart_items_path, class: 'add-cart-form' do %>
                                      <%= hidden_field_tag "product_id", compare_item.product.id %>
  
negative.code:     <div class="row">
          <!--Middle Part Start-->
          <div id="content" class="col-sm-12 compare-product">
              <% c_count = @compare.compare_items.get_all_items.count %>
              <% all_items = @compare.compare_items.get_all_items %>
              <% if c_count > 0 %>
              <h2 class="title title-compare">DANH SÁCH SO SÁNH</h2>
              <div class="table-responsive">
  