<%@ WebHandler Language="C#" Class="Echo" %>  
  
using System;  
using System.Web;  
using System.IO;  
  
public class Echo : IHttpHandler  
{  
    private System.Text.Encoding DefaultEncoding = System.Text.Encoding.UTF8;  
      
    public void ProcessRequest (HttpContext context)  
    {  
        context.Response.ContentType = "text/plain";  
        context.Response.ContentEncoding = DefaultEncoding;  
  
        Stream inputStream = context.Request.InputStream;  
        using (StreamReader reader = new StreamReader(inputStream, DefaultEncoding))  
        {  
            string requestContent = reader.ReadToEnd();  
            string responseContent = string.Format("Received: {0} <== END", requestContent);  
              
            context.Response.Write(responseContent);  
        }  
    }  
  
    public bool IsReusable  
    {  
        get { return false; }  
    }  
}