As best as I can tell, when I use a template to render input elements they are not included in the post back. I have checked what is getting sent in the postback with Fiddler and in my demo the name1 (statically rendered) and name2 (dynamically rendered) input boxes work just fine. But the id_one and id_two input boxes created from the template do not show up in the postback.

http://jsfiddle.net/blackbart/dKGrF/1/