In 2011 Volume 2, Infragistics shipped a combo box control in NetAdvantage for jQuery product. Combo box features a bunch of cool things like auto-suggest, remote filtering, multi-select etc.. One of the scenario that is quite common in today’s web applications is to have cascading combo boxes. In this post, I am going to show you how to implement exactly that using the combo box control. I am going to do this in an ASP…