Cascading Dropdowns in ASP.NET MVC

The Ultimate Guide to Dropdowns in ASP.NET MVC Series

Basics of ASP.NET MVC DropdownLists
Dropdowns in WebGrids
Cascading Dropdowns
Creating a Suggestion Dropdown

We’ve all seen this scenario before.
You want to filter the user’s selection by using one dropdown to filter out the second dropdown. Some take it even further where you have a third dropdown for filtering.