AutoOpen Error: Assembly AUTOFAC could not be loaded from resources.

[Catalina Chi]

Hi, I use Autofac in ExcelDNA... I actually use it in the AUTOOPEN(). I define my calculation construction logic there.  

In my Window 7 Machine, it works fine... However, when I moved to my Window 10 Machine, it will fail when I try to reload xll. 

Can someone please advise how to troubleshooting this? 

Initialization [Warning] Assembly AUTOFAC could not be loaded from resources.

Initialization [Error] DnaLibrary AutoOpen Error : TargetInvocationException - Exception has been thrown by the target of an invocation.

[Caio Proiete]

Hi Catalina,

Have you tried putting a try...catch in the `AutoOpen` method to catch the exception details and see if it gives you more information?

Also, a `TargetInvocationException` usually wraps the real exception (in the InnerException property) so I'd recommend checking that.

Anyway, if the above doesn't help and you're able to put together an example project that reproduces this error, I'm happy to help you troubleshoot the error.

Thanks,

~Caio Proiete

https://github.com/caioproiete  

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[Craig Crevola]

Hi Catalina

 

Just to check, have you referenced the library in the .dna file?

                <Reference Path="Autofac.dll" Pack="true" />

In the Autofac sample I created earlier when I removed the above line from the .dna file, I received the same error you are getting. The packed file is a stand alone distributable, so you need to ensure all of the external references/libraries are added to the .dna file so the packer can include them.

 

Thanks

 

Craig.

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[Catalina Chi]

Thank you Craig, Caio, 

Weirdly, after restarting computer, this error no longer occur. Hence can no longer reproduce. :( 

Our new XLL (exceldna) project will go live shortly. 

I am a bit worried that same error might occur in certain user's machine. Hopefully no one will receive this error. 

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