protected void Page_Load(object sender, EventArgs e)
{
string str = ImageCreator.RndCode(4);
Session["CheckCode"] = str;
Bitmap image = ImageCreator.CreateAddCodeImage(str, true, 70, 22, 30);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, ImageFormat.Gif);
image.Dispose();
this.Context.Response.ClearContent();
this.Context.Response.ContentType = "image/gif";
this.Context.Response.BinaryWrite(ms.ToArray());
}
