using System;

public class Program

{

    public static void Main()

    {

        var action = "GR_PROCESSORDER";

        // no fall through (break included)

        switch (action)

        {

            case "GR_PROCESSORDER":

                Console.WriteLine("Process Order");

                break;

            case "TEST":

                Console.WriteLine("Case statement fall through");

                break;

            default:

                Console.WriteLine("Default");

                break;

        }

        switch (action)

        {

            case "GR_PROCESSORDER":

            case "TEST":

                Console.WriteLine("Case statement fall through");

                break;

            default:

                Console.WriteLine("Default");

                break;

        }

    }

}