How to generate dyanamic qr code .

Question

when i fill rs.999 in textbox then generate valid qr code when i put 1000rs then not valid qr code

upi://pay?pa=dqr.40179@icici&pn=ALERT PAY SOLUTIONS PRIVATE LIMITED&tr=DQRCIU012126818073838&tn=QrcodeforDistributorFund&am=1000&cu=INR&mc=5411 -not valid

upi://pay?pa=dqr.40179@icici&pn=ALERT PAY SOLUTIONS PRIVATE LIMITED&tr=DQRCIU012126818073838&tn=QrcodeforDistributorFund&am=999&cu=INR&mc=5411 -valid

Leon D · Answer

Free Spire.Barcode library can be used to generate qr code. https://www.e-iceblue.com/Download/download-barcode-for-net-now.html The following code example demonstrates how to generate qr code in c#: using Spire.Barcode; using System.Drawing; namespace QRCode { class Program { static void Main( string [] args) { BarcodeSettings settings = new BarcodeSettings(); settings.Type = BarCodeType.QRCode; settings.Data = "Hello 123456789" ; settings.Data2D = "Hello 123456789" ; settings.QRCodeDataMode = QRCodeDataMode.AlphaNumber; settings.X = 1.0f; settings.QRCodeECL = QRCodeECL.H; BarCodeGenerator generator = new BarCodeGenerator(settings); Image image = generator.GenerateImage(); image.Save( "QRCode.png" ); } } } For more information, visit this link: https://www.e-iceblue.com/Tutorials/Spire.Barcode/Spire.Barcode-Program-Guide/Create-a-QR-Code-in-C.html

Abhishek Chadha · Answer

You can refer the below article to generate QR code- https://www.c-sharpcorner.com/article/generate-qr-code-and-save-into-the-database/ and while generating the QR Code you can put the condition