public string GetCaptcha(string key, ISession httpSession)
{
var captchaManager = new CaptchaManager();
var generate = captchaManager.Generate(key);
httpSession.SetString(key, generate);
return(generate);
}
public string GetCaptchaImageBase64(string key)
{
using (var stream = new MemoryStream())
using (var image = _captchaManager.Generate(key))
{
image.Save(stream, ImageFormat.Png);
return(Convert.ToBase64String(stream.ToArray()));
}
}
