POS-Server/app/views/sales/_sales_detail.html.erb

<tr id="detail_<%=detail.id%>">
	<td> <input class="form-control checkboxes" type="checkbox"/> </td>
	<td> 
		<%= detail.product.sku %> 
		<input class="hidden" value="<%= detail.product.id %>"/>
	</td>
	<td> <img src="<%= detail.product.small_img %>" width="50" height="50"/> </td>
	<td> 
		<%= detail.product.name %><br>
		<%= detail.product.display_attributes %> 
	</td>
	<td> <%= detail.quantity.round %> </td>
	<td> 
		<%= number_to_currency(detail.unit_price, precision: 2) %> 
		<input class="hidden" value="<%= detail.unit_price %>"/>
	</td>
	<td> <%= number_to_currency(detail.tax, precision: 2) %> </td>
	<td> <%= number_to_currency(detail.discount, precision: 2) %> </td>	
	<td> 
		<%= number_to_currency(detail.total, precision: 2) %> 
		<input class="hidden" value="<%= detail.total %>"/>
	</td>
</tr>