This article explains how to create a cascading dropdown list in MVC 4 using AngularJS.
Procedure
Open Visual Studio 2012 and select "File" -> "New" -> "Project...".
Now add a AngularJS reference. Right-click on the project in the Solution Explorer and select Manage NuGet Packages.
Now add an ADO.NET Entity Data Model.
Now add a new Controller Employee and enter the following code:
Now add a View on the Index Action method:
Hands on with ASP.Net MVC - Covering MVC 6