protected
void
Page_Load(object
sender, EventArgs
e)
{
Bitmap
bmp = new
Bitmap(100,
100);
Graphics
g = Graphics.FromImage(bmp);
g.FillRectangle(Brushes.Yellow,
0, 0, 100, 100);
g.Dispose();
Response.ContentType =
"image/jpeg";
bmp.Save(Response.OutputStream,
ImageFormat.Jpeg);
}