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How to call C# class method from X++ ?

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Posted on by AdnDalhi

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Hi guys,

A quick technical question.

How can i call C# class from X++.

I have 1 solution : 2 projects, and i need to call my method on C# class.

Let me know if I need to add some references on D365 project to be able use the c# class on from my 1st project ,

or just call it directly.( not worked :p )

Thanks in advance :)

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Development / Customization / SDK

Data Integration

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Pedro Tornich 955 on at

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Hi Adax,

You have to create a reference from the X++ project to the C# project, please check the following documentation for more information:

docs.microsoft.com/.../write-business-logic

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AdnDalhi 336 on at

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Hi Pedro,

Thank, already Added the reference of c# project, into AX project, but still.

Is there any namespace i have to add more using Microsoft.Dynamics.AX.... ?

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AdnDalhi 336 on at

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I've Added the reference , but still not recongize my CSharp class on AX

Any namespaces to add,

using .. ?

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Pedro Tornich 955 on at

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Hi Adax,

I'm sorry to hear that it didn't work.

Another option you can try is to wrap your C# code into a DLL and add it as a reference.

The following blog post gives a good example on how external DLLs can be added to D365:

stoneridgesoftware.com/.../

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Sukrut Parab 71,741 Moderator on at

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Did you add your dll in references node ? If not do that and then see if you can access methods in your x++ code.

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Martin Dráb 239,992 Most Valuable Professional on at

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The namespace to refer to it's the namespace you've used in your C# project. We can't tell you what it is, because we've never seen your code. I suggest you use the fully-qualified name at first (e.g. MyNamespace.MyClass) and switch to the 'using' statement only when it works.

Also, make sure that both the class and the method are public.

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AdnDalhi 336 on at

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Hi All , Yes

Both of them are public, Class and methods.

I've Added the C# project reference to D365 project.

+ adding the (using [name of class]) namespace on D365Project

it's worked the first time. and was able to execute the code correctly. just after the second execution

i received the following error message, is that normal, aftre adding the reference.

Thanks

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