ArcGIS Routing with NAServer
ArcGIS_NAServer_Routing_CSharp\MapImage.aspx.cs
// Copyright 2010 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 



using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class MapImage : System.Web.UI.Page
{
  protected void Page_Load(object sender, EventArgs e)
  {
    // Draw the Map image from the Session State
    System.Drawing.Image mapImage = Session["MapImage"] as System.Drawing.Image;
    if (mapImage != null)
    {
      Response.ContentType = "image/jpeg";
      mapImage.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
    }
  }
}