not able to generate QR code using QRCoder dll with text input string having # and ?

Question

QR code is not getting generating when input string is: abc#?abc

QRCodeGenerator l_qrGenerator = new QRCodeGenerator();

        QRCodeData l_qrCodeData = l_qrGenerator.CreateQrCode(inputstring, QRCodeGenerator.ECCLevel.Q);

            QRCode l_qrCode = new QRCode(l_qrCodeData);

Please let us know how to resolve it with such inputs. with other special characters QR code is getting generated.

Answer 1

QRCodeData is not a Microsoft product.

Contact the author via https://github.com/codebude/QRCoder

Answer 2

Expected behavior. Neither # nor ? are supported characters by QR alpha numeric encoding. To support them you need to switch to binary/byte encoding. I believe your library supports binary encoding.