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How to get different table buffer's in XppPrePostArgs in X++ , D365

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Posted on by Srihari.molaka

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Hi Experts,

I have taken post-event handler for initProdTableJour method in this class ProdUpdHistoricalCost_Process.

In that method 3 tables are present, 1 is ProdTable, 2 is ProdParmHistoricalCost and 3 is ProdTableJour.

This post-event handler has XppPrePostArgs as arguments.

while debugging i am getting recid's in the debugger

0878.batch-order.PNG

if we have taken post event handler for one specific table level method, we can write

tablename buffer = args.getThis();

But,How to the specific table buffers?

can any one help me to achieve this.

Thanks,

with regards,

srihari.

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Mea_ 60,284 on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

Hi Srihari.molaka,

You can get parameters by name, lets say parm name is "_prodTable" then you can get it like this

ProdTable prodTable = _args.getArg(identifierStr(_prodTable)) as ProdTable;

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Martin Dráb 236,297 Most Valuable Professional on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

prodTableJour is an instance variable of the class. Use CoC and simply refer to prodTableJour by name:

public void initProdTableJour(Voucher _voucher) { next initProdTableJour(_voucher); info(prodTableJour.InventTransId); }

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Srihari.molaka 339 on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

hi ievgen,

Thanks for your reply,

I have tried it but it is not working.

with regards,

srihari.

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Mea_ 60,284 on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

Can you share your code? It's hard to say what does not work without seeing it.

Also please consider approach proposed by Martin, CoC is a better and easier way to achieve this.

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Srihari.molaka 339 on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

Hi Martin Drab,

Thanks for replying,

just now I tried and achieved it.

Thanks,

with regards,

srihari.

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Srihari.molaka 339 on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

Hi Martin Drab,

can I know when to use COC and event handler?

In this case, why cannot I achieve with post event handler?

Thanks,

srihari.

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Martin Dráb 236,297 Most Valuable Professional on at

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RE: How to get different table buffer's in XppPrePostArgs in X++ , D365

Pre-/post-method events and XppPrePostArgs used to be used when CoC didn't exist. I don't see any reason anymore for using it - CoC is more powerful, safer and easier to use.

The variable is protected and you can access protected variables from class extensions (CoC), but not from other classes (such as your event handler class). You can get the instance of ProdUpdHistoricalCost_Process by XppPrePostArgs.getThis(), but you cannot simply access the protected variable. You would need a public method returning the variable and I don't know if the class has such a method.

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