Microsoft Dynamics AX (Archived)

How I will call or add new method or events in Standard objects in D365FO

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Posted on by @rp@n

Dear All,

Can you please let me know

A). I will add METHODS

1. New method in Standard Table.

2. New method in Standard Form

3. New method in Standard Form DS

4. New method in Standard Form Control.

B). How I will call EVENTS in Standard(Table, Form, Form DS, Form Control) ?

Example :

Form > SalesTable > Event > OnActivated

Form > DS > SalesTable > OnCreated

Form Control > SalesTable_SalesTypeGrid > Event > OnValidating

Table > LedgerJournalTable > Event > OnDeleting

How I will call the above events from Standard Objects ?

Please give me more shed on this.

Thanks!

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Martin Dráb 237,801 Most Valuable Professional on at

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A) Use class extensions, as we discussed with you several times. Here is the documentation, please read it: Class extension model in X++. Note that which form elements are supported depends on which platform version you use.

B) These events are triggered by AX kernel, not by custom code. But if you, say, delete a record from code, the OnDeleting event will be raised by kernel.

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Rustem Galiamov 8,072 on at

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Just to add to Martin suggestion, check this link https://docs.microsoft.com/en-us/dynamics365/unified-operations/dev-itpro/extensibility/customize-model-elements-extensions

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@rp@n 30 on at

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Thanks All,

I go through the above link. I have one doubt.

When exactly we use "ExtensionOf()…" in Class extension ?

Please give me more shed on this.

Thanks!

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Rustem Galiamov 8,072 on at

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Extension classes are classes that are adorned with the ExtensionOf attribute. The class augments the artifact that is specified in the ExtensionOf attribute.

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@rp@n 30 on at

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Thanks Rustem,

That I understand but my question is when I need actually this Extension class with ExtensionOf attribute to write code ?

Is there any specific reason?

Thanks!

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Rustem Galiamov 8,072 on at

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Always when create an extension.

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Martin Dráb 237,801 Most Valuable Professional on at

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When you want to "add" a method (which is the topic of this thread), add state or use CoC. Again, it's all covered in documentation.

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@rp@n 30 on at

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Thanks Martin,

You mean to say find(), display() Or any new method correct?

Please give me more shed on this.

Thanks!

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nmaenpaa 101,160 Moderator on at

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Please read the documentation and try for yourself. With these two methods you will learn so much more about these D365FO development fundamentals.

If you can't find answer in the documentation and your code has issues, then ask from others.

I'm saying this because you seem to be asking so many questions about things that you could find in one minute from the documentation or by experimenting.

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@rp@n 30 on at

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Thanks Nikoloas,

Sure,I will go through the documents or link.

I am asking because in my mind some questions are raising. I am new to D365FO

Any way, Thanks!

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