Rails - Jan 2007 - NoMethodError and the select form helper

I am trying to create a listing of objects in a table with a drop down
box to edit one particular aspect of each thing in the list , but I can
not even get the form to render without getting a NoMethodError.
Currently I have something like this:

<% for thing in @things %>
	//...table stuff here...
    <td><%=h thing.element1 %></td>
    <td><%=h thing.element2 %></td>
    <td><%=h thing.element3 %></td>
      //...etc, etc, and then I have the following which give me a
NoMethodError...
    <td><%= select(''thing'',
''elementx'', [ ''choice1'', choice2''],
:selected => thing.elementx ) %>

<% end %>
</table>

Of course, once I fix this get the form to actually render, I still
haven''t quite figured out how I would then update all instances of this
object with their (possibly new) values. I assume that I would just
have to iterate through @things and call update_attributes on each
element, but I''m not quite sure how to do that

Sorry if this is a bit of a stupid question, I''m a still learning.

Thanks, 
Paul


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