A sample code using delegates C#

   public class Employee

   {

       public int Id;

       public string Name;

       public float Salary;

       public delegate void EmployeeAdd(int id, string name, float sal);

       public EmployeeAdd EmployeeAdded;

       public void AddEmployee(int id, string name, float sal)

       {

           AddToDataBase();

           EmployeeAdded(id,name,sal);  

       }

 }

class Program

{

       static void Main(string[] args)

       {

           Employee objE = new Employee();

           objE.EmployeeAdded = OnEmployeeAdded;

           objE.AddEmployee(1, "Kiran", 500000);

           objE.AddEmployee(2, "Ravi", 750000);

           Console.ReadLine();  

       }

      public static void OnEmployeeAdded(int id, string name, float sal)

      {

       Console.WriteLine("Id : {0}, Name : \"{1}\", Salary :INR {2}.",  id, name, sal);

      }

}