ASP.NET MVC Tip #41 – Create Cascading Dropdown Lists with Ajax | Stephen Walther

ASP.NET MVC Tip #41 – Create Cascading Dropdown Lists with Ajax In this tip, I demonstrate three methods of creating cascading drop down lists in an MVC application. First, I demonstrate how to write JavaScript code to update one dropdown list when another dropdown list changes. Next, I show you how you can retrieve the data for the dropdown lists from either a controller action or a web service.