Registering System.Text.Encoding.CodePages For EPPlus

Add System.Text.Encoding.CodePages assembly reference and register CodePagesEncodingProvider to fix encoding issues with EPPlus library.

First add a reference to System.Text.Encoding.CodePages assembly.

<ItemGroup>
    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.3.0" />
</ItemGroup>


    
    

    
    




Then register the missing parts:

 Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

    
    

    
    




  
  
  Reference

https://github.com/JanKallman/EPPlus/issues/31

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