Redmine/app/views/issues/_list.rhtml

<table class="list">
    <thead><tr>
        <th></th>
		<%= sort_header_tag("#{Issue.table_name}.id", :caption => '#') %>
        <% query.columns.each do |column| %>
          <%= column_header(column) %>
        <% end %>
	</tr></thead>
	<tbody>
	<% issues.each do |issue| %>
	<tr class="issue <%= cycle('odd', 'even') %>">
	    <td class="checkbox"><%= check_box_tag "issue_ids[]", issue.id, false, :id => "issue_#{issue.id}" %></td>
		<td><%= link_to issue.id, :controller => 'issues', :action => 'show', :id => issue %></td>
        <% query.columns.each do |column| %>
          <%= content_tag 'td', column_content(column, issue), :class => column.name %>
        <% end %>
	</tr>
	<% end %>
	</tbody>
</table>