Mine

<% form_tag :action => 'do_action' do %>


<table>
<tr>
 <th>Name</th>
</tr>

<% @columnas.each do |columna| %>
<tr>
 <td><%= text_fiels 'columna', 'name' %></td>
</tr>
<%end>

<%= image_submit_tag "guardar.png"%>

<%end%>