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We want to download a PDF file using RDLC Report Designer and use expressions in the footer section to use the Page Number options, but while running the file, the below error is coming, and when we try to find the v8.0.14 folder in the above directory, there is nothing about it. Old Suggestion said that "just copied vbc.exe from 4.0 to 8.0.0" but there is no 8.0.0 (dotnet) folder in the directory.
An unhandled exception occurred while processing the request.
InvalidOperationException: Compiler executable file C:\WINDOWS\Microsoft.NET\Framework64\v8.0.14\vbc.exe cannot be found.
AspNetCore.ReportingServices.ReportPublishing.ReportPublishing.InternalCreateIntermediateFormat(Stream definitionStream, out string description, out string language, out ParameterInfoCollection parameters, out DataSourceInfoCollection dataSources, out DataSetInfoCollection sharedDataSetReferences, out UserLocationFlags userReferenceLocation, out ArrayList dataSetsName, out bool hasExternalImages, out bool hasHyperlinks, out byte[] dataSetsHash)
ReportProcessingException: An unexpected error occurred in Report Processing. Compiler executable file C:\WINDOWS\Microsoft.NET\Framework64\v8.0.14\vbc.exe cannot be found.
Even ChatGPT is not answering properly, stuck in a loop!
We want to download a PDF file using RDLC Report Designer and use expressions in the footer section to use the Page Number options, but while running the file, the below error is coming, and when we try to find the v8.0.14 folder in the above directory, there is nothing about it. Old Suggestion said that "just copied vbc.exe from 4.0 to 8.0.0" but there is no 8.0.0 (dotnet) folder in the directory.
An unhandled exception occurred while processing the request.
InvalidOperationException: Compiler executable file C:\WINDOWS\Microsoft.NET\Framework64\v8.0.14\vbc.exe cannot be found.
AspNetCore.ReportingServices.ReportPublishing.ReportPublishing.InternalCreateIntermediateFormat(Stream definitionStream, out string description, out string language, out ParameterInfoCollection parameters, out DataSourceInfoCollection dataSources, out DataSetInfoCollection sharedDataSetReferences, out UserLocationFlags userReferenceLocation, out ArrayList dataSetsName, out bool hasExternalImages, out bool hasHyperlinks, out byte[] dataSetsHash)
ReportProcessingException: An unexpected error occurred in Report Processing. Compiler executable file C:\WINDOWS\Microsoft.NET\Framework64\v8.0.14\vbc.exe cannot be found.
Even ChatGPT is not answering properly, stuck in a loop!
Share Improve this question edited Mar 28 at 9:30 Jason Pan 22.4k2 gold badges22 silver badges45 bronze badges asked Mar 28 at 9:00 Parth SharmaParth Sharma 73 bronze badges1 Answer
Reset to default 0Please copy v4.0.30319 and paste here, then rename it v8.0.x, for me, the error message is 8.0.0, you can check it like below.
Why we facing this issue, because it's asp core application, and it try to find the vbc.exe inside the v8.0.0.
As far as I know, the above workaround is the best answer so far.
Why we face this issue?
Because you are using RDLC report in asp core application. As we know, RDLC us used for .NET Framework, not .NET Core. And from the error message, we found vbc.exe is needed.
And we also use No Managed Code for asp core web application.
Tip
If your project is only deployed in Windows IIS, you can use the above workaround. If you plan to migrate to the Linux platform, it is recommended to use other reports libraries(RDLC IS NOT RECOMMENDED).
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