public void GetCaptchas() { var svc = new PassportService(); Random rdm = new Random(); var result = svc.GetCaptchas(); Session[CAPTCHAS_TEXT] = result.Text; System.IO.MemoryStream ms = new System.IO.MemoryStream(); result.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif); Response.ClearContent(); Response.ContentType = "image/Gif"; Response.BinaryWrite(ms.ToArray()); }