POS-Server/app/views/special_prices/_special_price.html.erb

<tr id="special_price_<%= special_price.id %>">
  <td> # </td>
  <td> <%= special_price.product.sku %> </td>
  <td>
    <%= special_price.product.name %><br>
    <%= special_price.product.display_attributes %>
  </td>
  <td class="text-center">
    <img src="<%= special_price.product.small_img %>" width="100" height="100"/>
  </td>
  <td>
    <%= number_to_currency(special_price.product.price_sale, precision: 2) %>
    <%= hidden_field_tag 'product_price_sale', special_price.product.price_sale %>
  </td>
  <td>
    <input class="form-control" id="price_<%= special_price.id %>" type="number" value="<%=special_price.price %>" min="0" oninput="updateProductPrice($(this))" />
  </td>
  <td>
    <input class="form-control input-small" id="percent_<%= special_price.id %>" type="number" value="<%=special_price.percent %>" min="0" max="100" oninput="updateProductPercent($(this))" />
  </td>
  <td class="text-center">
    <button type="button" class="btn btn-icon-only btn-danger" onclick="deleteRow($(this))"><i class="fa fa-trash-o"></i></button>
  </td>
</tr>