Questions about using jQuery Mobile should go in the jQuery Mobile forum:
Please repost in that forum, and give us enough information to help you:
A workable example is best. Post a link to your site, or use a jsFiddle, etc.
We can't give advice on ASP. There are very few people here with ASP background, and even fewer who know how to make it work well with jQuery Mobile. So, best to keep your subject to jQuery Mobile, and please don't show us ASP source code (PHP source code is equally worthless, so not discriminating against ASP. :) ) , because we need to know instead the HTML markup that is produced.