Draw bitmap image in asp.net (c#) [Resolved]

using System;

using System.Collections;

using System.Collections.Generic;

using System.Data;

using System.Diagnostics;

using System.Drawing;

using System.Drawing.Imaging;



protected void Page_Load(object sender, EventArgs e)

{

Bitmap bitmapimg = new Bitmap(120, 120, PixelFormat.Format32bppArgb);

Graphics grph = Graphics.FromImage(bitmapimg);

SolidBrush br = new SolidBrush(Color.Green);

grph.FillEllipse(br, 4, 4, 110, 110);

Response.ContentType = "image/gif";

bitmapimg.Save(Response.OutputStream, ImageFormat.Gif);

bitmapimg.Dispose();

}