Count the number of distinct Controller actions in an ASP.NET MVC application.

actionCount.cs

var actionCount = typeof(/*Some Controller Type In Your MVC App*/)
    .Assembly.GetTypes()
    .Where(t => typeof(Controller).IsAssignableFrom(t))
    .Where(t => t.Namespace.StartsWith("AwesomeProduct.Web"))
    .SelectMany(t => t.GetMethods(BindingFlags.Public | BindingFlags.Instance))
    .Where(m => typeof(ActionResult).IsAssignableFrom(m.ReturnType))
    .Where(m => !m.IsAbstract)
    .Where(m => m.GetCustomAttribute<NonActionAttribute>() == null)
    .Count();