using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
 
namespace charts
{
/// <summary>
/// Summary description for WebForm1.
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Image Image1;
 
private void Page_Load(object sender, System.EventArgs e)
{
DisplayLine();
Image1.ImageUrl = Server.MapPath("")+"temp.jpg";
 
}
 
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
 
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
 
}
#endregion
 
private void DisplayLine()
{
Bitmap b =new Bitmap(250,250);
b.Save(Server.MapPath("")+"temp.jpg",ImageFormat.Jpeg);
Graphics g = Graphics.FromImage(b);
g.Clear(Color.White);
Pen p = new Pen(Color.Blue);
g.DrawLine(p,10,240,240,240);
b.Save(Server.MapPath("")+"temp.jpg",ImageFormat.Jpeg);
}
}
}

Response.ContentType = "image/jpeg";
b.Save(Response.OutputStream, ImageFormat.Jpeg);