Redmine/app/views/users/_memberships.rhtml

<% if @memberships.any? %>
<table class="list memberships">
	<thead>
	  <th><%= l(:label_project) %></th>
	  <th><%= l(:label_role) %></th>
	  <th style="width:15%"></th>
	</thead>
	<tbody>
	<% @memberships.each do |membership| %>
	<% next if membership.new_record? %>
	<tr class="<%= cycle 'odd', 'even' %>">
	<td><%=h membership.project %></td>
    <td align="center">
    <% form_tag({ :action => 'edit_membership', :id => @user, :membership_id => membership }) do %>
        <%= select_tag 'membership[role_id]', options_from_collection_for_select(@roles, "id", "name", membership.role_id) %>
        <%= submit_tag l(:button_change), :class => "small" %>
    <% end %>
    </td>
    <td align="center">
      <%= link_to l(:button_delete), {:action => 'destroy_membership', :id => @user, :membership_id => membership }, :method => :post, :class => 'icon icon-del' %>
    </td>
	</tr>
	</tbody>
<% end; reset_cycle %>
</table>
<% else %>
<p class="nodata"><%= l(:label_no_data) %></p>
<% end %>

<% if @projects.any? %>
<p>
<label><%=l(:label_project_new)%></label><br/>
<% form_tag({ :action => 'edit_membership', :id => @user }) do %>
<%= select_tag 'membership[project_id]', projects_options_for_select(@projects) %>
<%= l(:label_role) %>:
<%= select_tag 'membership[role_id]', options_from_collection_for_select(@roles, "id", "name") %>
<%= submit_tag l(:button_add) %>
<% end %>
</p>
<% end %>