Observer Pattern in .NET

using System;

namespace ObserverPattern
{
	/// <summary>
	/// Summary description for Register.
	/// </summary>
	public class BangaloreAirlines
	{
		public delegate void UpdateHandler(object sender);
		public event  UpdateHandler UpdateEvent;
		public string TravelRout;
		public double TravelFare;

		public BangaloreAirlines(String RoutId, double Fare)
		{
			this.TravelRout=RoutId;
			this.TravelFare=Fare;
		}

		public void AddNewRout()
		{
			Notify();
		}


		private void Notify()
		{
		if (UpdateEvent!=null)
			UpdateEvent(this);
		}

	}
}