using System;
using System.Collections.Specialized;
using System.Net;
class MainClass
{
public static void Main(string[] argv)
{
WebClient wc = new WebClient();
byte[] response = wc.DownloadData("http://www.jva2s.com");
WebHeaderCollection whc = wc.ResponseHeaders;
Console.WriteLine("header count = {0}", whc.Count);
for (int i = 0; i < whc.Count; i++)
{
Console.WriteLine(whc.GetKey(i) + " = " + whc.Get(i));
}
}
}