PdfHandler.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Configuration;
using System.IO;

public class PdfHandler: IHttpHandler
{
	public bool IsReusable
	{
		get { return false; }
	}

	public void ProcessRequest(HttpContext context)
	{
		string fileToServe = context.Request.Path;
		FileInfo pdf = new FileInfo(context.Server.MapPath(fileToServe));
		context.Response.ClearContent();
		context.Response.ContentType = "application/pdf";
		context.Response.AddHeader("Content-Disposition", "attachment; filename=" + pdf.Name);
		context.Response.AddHeader("Content-Length", pdf.Length.ToString());
		context.Response.TransmitFile(pdf.FullName);
		context.Response.Flush();
		context.Response.End();
	}
}