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lkosson / reportviewercore

Recompilation of Microsoft.ReportViewer for .NET Core 3.1+
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Barcodes support #180

Open janslavsky opened 5 months ago

janslavsky commented 5 months ago

Hello Ikosson,

I would like to ask you if there is any plan to support 1D and 2D barcodes in RDLC reports? Currently I am getting System.NotImplemented exeption when RDLC report contains 2D barcode. I am attaching one report as an example.

Thanks for information Regards, Jan

test-report.txt

lkosson commented 5 months ago

It looks like your report uses custom item types provided by external component. I don't think it is supported in original ReportViewer, only in SSRS. Does your report work when you use original Microsoft.ReportViewer.WinForms package and .NET Framework?

As for barcodes in reports - I use ZXing.Net to generate images and pass them as base64-encoded-png strings in dataset.

dineshmike commented 5 months ago

You can use the image element to display barcodes or QR codes in the report. Add a image element to the report and set the value to the below: =Code.GenerateQRCode(Fields!MaterialCode.Value)

Then under Report Properties --> Code, add the below custom code:

Public Function GenerateQRCode(ByVal inputString As String) as Byte()
     Return QRCoder.BitmapByteQRCodeHelper.GetQRCode(inputString, QRCoder.QRCodeGenerator.ECCLevel.Q, 2)
End Function

This uses the QRCoder library project to display the QRCode. Make sure to reference it under Report Properties --> References and in your project.

Sample report: IPASPicking.zip