Have a look at this example
http://demos.telerik.com/aspnet-ajax/combobox/examples/default/defaultcs.aspx
pick the combobox for 'product' does that look something like the
control you are trying to manipulate?
When I examine that example and in particular look at the 'cell' that
has 123 in
I doubt that code sample will help much. That's great for actual
HTML selection list elements, but he's dealing with 'rad' controls
which are javascript driven controls that emulate the normal HTML
selection list, but add other functionality (like a 'prompt' value
that's in the control space to