public IActionResult Index(string input_string)
{
using (MemoryStream ms = new MemoryStream())
{
QRCodeGenerator oQRCodeGenerator = new QRCodeGenerator();
QRCodeData oQRCodeData = QRCodeGenerator.GenerateQrCode(input_string, QRCodeGenerator.ECCLevel.Q);
QRCode oQRCode = new QRCode(oQRCodeData);
using (Bitmap oBitmap = oQRCode.GetGraphic(20))
{
oBitmap.Save(ms, ImageFormat.Png);
ViewBag.QRCode = "data:image/png;base64," + Convert.ToBase64String(ms.ToArray());
}
}
return(View());
}
