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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Exception was thrown b...
Microsoft Dynamics AX (Archived)

Exception was thrown because the .NET instance method DocumentFormat.OpenXml.Wordprocessing.Document.Descendants was not found during CIL generation

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Posted on by Vishal Jevtani 278

I need to work on OpenXml to generate a word document from AX using a template. I got a sample code in C# and I have written the same code in x++ and it seems to be working fine but I am having a strange issue.

The line where we are fetching descendants (document.MainDocumentPart.Document.Descendants()), it does not execute the code, it just stops the execution. On generating CIL it gives a warning "Exception was thrown because the .NET instance method DocumentFormat.OpenXml.Wordprocessing.Document.Descendants was not found during CIL generation". I am pretty sure this is the reason the code is not executing. 

I checked the references, Document.OpenXml reference is available. Need to know what could be the possible cause for this warning. 

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  • Suggested answer
    Srini Ramidi Profile Picture
    Srini Ramidi 2 on at

    Hello,

    Can you try by restarting the AOS service and  do Tools | Caches | Refresh elements and refresh Dictionary.

    Best,

    Srini

  • Suggested answer
    Hichem.Chekebkeb Profile Picture
    Hichem.Chekebkeb 3,371 on at

    Probably you are not using the same version of OpenXML assembly I am using, Did you get it from Nuget?

    1- Check point 4 in my blog post regarding the subject: 

    How to generate and populate data to Word documents using OpenXML and X++ in Dynamics 365 for Operations

    2- Check the assembly got copied here: C:\AOSService\PackagesLocalDirectory\Bin

    3- Try what Srinivas Ramidi said.

  • Vishal Jevtani Profile Picture
    Vishal Jevtani 278 on at

    Hi Hichem

    Brother I am using Ax 2012, and OpenXml is already referenced in AOT references. Still when I get this warning when I generate CIL and code is exiting when it executes the descendants code. I tried restarting everything.

    Is there any source where I can get latest OpenXml dll and add reference to AOT ?

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