protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["randomNo"] != null)
{
string text = Request.QueryString["randomNo"].ToString();
int captchaWidth = 310;
int captchaHeight = 50;
Captcha.caseSensitive = false;
Captcha ci = new Captcha();
ci.Captchaimage(captchaWidth, captchaHeight, text);
Response.Clear();
Response.ContentType = "image/png";
ci.Image.Save(Response.OutputStream, ImageFormat.Jpeg);
ci.Dispose();
}
else
{
Response.Redirect("~/Error.aspx");
}
}
