ExcelDna.Integration.dll not found

Johan A

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Oct 26, 2021, 5:46:40 AM10/26/21

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Hi,

I have MSTest test project (.NET Framework 4.8) where I test the UDF functions I have created in a ExcelDNA project.

I recently updated all Nuget packages related to ExcelDNA to latest stable release (1.5).

Now whatever test I run I get this error:

System.IO.FileNotFoundException: Could not load file or assembly 'ExcelDna.Integration, Version=1.1.0.0, Culture=neutral, PublicKeyToken=f225e9659857edbe' or one of its dependencies. The system cannot find the file specified.

What could be wrong?

Govert van Drimmelen

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Oct 26, 2021, 6:31:16 AM10/26/21

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Hi Johan

It looks like your project is still referencing the old version of ExcelDna.Integration. Maybe you can just check whether it is directly referencing the library, and thus not updated through the NuGet update.

Also, some of the additional Excel-Dna packages have not been updated yet (like ExcelDnaDoc) so maybe that causes trouble.

,-Govert

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Johan A

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Oct 26, 2021, 7:08:21 AM10/26/21

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Hi Govert!

Thanks, I did not somehow spot that it complained about version 1.1.0.0.

I uninstalled and installed again all ExcelDna packages and this is what I have in the project file:

<HintPath>..\packages\ExcelDnaDoc.0.2.3\lib\net40\ExcelDna.Documentation.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.Integration.1.5.0\lib\net452\ExcelDna.Integration.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.IntelliSense.1.5.0\lib\net452\ExcelDna.IntelliSense.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.Registration.1.5.0\lib\net452\ExcelDna.Registration.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.Interop.14.0.1\lib\Microsoft.Office.Interop.Excel.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.Interop.14.0.1\lib\Microsoft.Vbe.Interop.dll</HintPath>

</Reference>

<HintPath>..\packages\ExcelDna.Interop.14.0.1\lib\Office.dll</HintPath>

</Reference>

It's strange that ExcelDna.Integration still believes it's version 1.1.0.0

Br,

Johan

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Govert van Drimmelen

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Oct 26, 2021, 8:27:12 AM10/26/21

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Hi Johan,

The version it will show for ExcelDna.Integration.dll will stay at 1.1.0 – this version is frozen to support “signed” assemblies.

Using ExcelDnaDoc is probably the problem – I’ll try to update it soon.

-Govert

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Johan A

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Oct 26, 2021, 10:11:05 AM10/26/21

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What's the latest version of ExcelDna that is working properly with ExcelDnaDoc?

When I updated to later versions (>=1.1) ExcelDna didn't recognize the ExcelFunctionDoc attribute anymore. Has something changed? Or is that due to the conflict with ExcelDnaDoc?

Br

Johan

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