how to generate QRCode And save in server file path using .NetCore

Question

I want To generate QRCode And save in server file path as image format using .NetCore

Rijwan Ansari · Answer

Check this article. https://qawithexperts.com/article/asp-net/read-or-generate-qr-code-in-aspnet-core/325

Satya Karki · Answer

Hi, you can check these links: https://www.freecodecamp.org/news/how-to-easily-implement-qrcoder-in-asp-net-core-using-c-10c4aa857e84/ https://dottutorials.net/generate-qr-code-asp-net-core-source-code/

Ben Thompson · Answer

Hello, You can use the LEADTOOLS SDK for this. private void WriteBarcode( string value, string imageFileName) { RasterCodecs codecs = new RasterCodecs(); RasterImage image = RasterImage.Create(2550, 3300, 1, 300, RasterColor.White); BarcodeWriter writer = new BarcodeEngine().Writer; // Create the barcode data QRBarcodeData barcode = BarcodeData.CreateDefaultBarcodeData(BarcodeSymbology.QR) as QRBarcodeData; barcode.Value = value; // We will use the alignment to position the barcodes, so use all of the image barcode.Bounds = new LeadRect(0, 0, image.ImageWidth, image.ImageHeight); // Set the write options QRBarcodeWriteOptions options = new QRBarcodeWriteOptions(); options.GroupNumber = 0; options.GroupTotal = 0; options.XModule = 30; options.ECCLevel = QRBarcodeECCLevel.LevelL; // Write it Console.WriteLine( "Writing barcode data: {1}" , value); writer.WriteBarcode(image, barcode, options); // save to disk codecs.Save(image, imageFileName, RasterImageFormat.CcittGroup4, 1); } We have NuGet packages available for .NET Core for this functionality. https://www.leadtools.com/downloads/nuget?nuget_package=Leadtools.Barcode There's also a .NET Core tutorial showing how to create a barcode and save it to a file on disk. https://www.leadtools.com/help/sdk/v21/tutorials/barcode/cross-platform/dotnet-core/write-1d-and-2d-barcodes-to-an-image.html

Sapna Girish · Answer

Try Spire.Barcode for .NET, it works for .NET code. 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" ); } } }

Kiran Mohanty · Answer

Hi, Try this. QRCodeGenerator _qrCode = new QRCodeGenerator(); QRCodeData _qrCodeData = _qrCode.CreateQrCode("QR code text",QRCodeGenerator.ECCLevel.Q); QRCode qrCode = new QRCode(_qrCodeData); Bitmap qrCodeImage = qrCode.GetGraphic(20); using (MemoryStream stream = new MemoryStream()) { qrCodeImage.Save(stream, System.Drawing.Imaging.ImageFormat.Png); return stream.ToArray(); }