Define function

   

/*
Learning C# 
by Jesse Liberty

Publisher: O'Reilly 
ISBN: 0596003765
*/
 using System;
public class Functions
 {
     static void Main()
     {
         Console.WriteLine("In Main! Calling SomeMethod()...");
         SomeMethod();
         Console.WriteLine("Back in Main().");

     }
     static void SomeMethod()
     {
         Console.WriteLine("Greetings from SomeMethod!");
     }
 }