ASP.Net MVC: Dynamically generate and display QR Code Image

https://www.aspsnippets.com/Articles/ASPNet-MVC-Dynamically-generate-and-display-QR-Code-Image.aspx

[HttpPost]

    public ActionResult Index(string qrcode)

    {

        using (MemoryStream ms = new MemoryStream())

        {

            QRCodeGenerator qrGenerator = new QRCodeGenerator();

            QRCodeGenerator.QRCode qrCode = qrGenerator.CreateQrCode(qrcode, QRCodeGenerator.ECCLevel.Q);

            using (Bitmap bitMap = qrCode.GetGraphic(20))

            {

                bitMap.Save(ms, ImageFormat.Png);

                ViewBag.QRCodeImage = "data:image/png;base64," + Convert.ToBase64String(ms.ToArray());

            }

        }

 

        return View();

    }