gistfile1.rhtml

<%
  # table_for @discount_codes do |table|
  #   table.column :id, :label => 'ID'
  #   table.column :code
  #   table.column :max_uses, :label => 'Maximum Uses' do |discount_code| 
  #     discount_code.max_uses || 'Unlimited'
  #   end
  # end

  # would generate something like this...
%>

<div class="table">
  <table cellspacing="0" cellpadding="0">
    <colgroup>
      <col class="id">
      <col class="code">
      <col class="max_uses">
    </colgroup>
    <thead>
      <tr>
        <th>ID</th>
        <th>Code</th>
        <th>Maximum Uses</th>
      </tr>
    </thead>
    <tbody>
      <tr class="">
        <td>12</td>
        <td>nonprofit1</td>
        <td>1</td>
      </tr>
    </tbody>
  </table>
</div>