Extend Contract Class in D365 FO to add a new parameter

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Posted on by The Bad Lieutenant

Dear Gents,

I am trying to Extend the contract class of the Customer Account Statement report in order to add a new Parameter ( NoYes Parameter ), i am using the following code:

[ExtensionOf(ClassStr(CustAccountStatementExtContract)) ]
final class CustAccountStatementExtContract_Extension
{
private NoYes IncludeVendTrans;

[DataMemberAttribute("IncludeVendTrans")]

    public NoYes parmIncludeVendTrans(NoYes _IncludeVendTrans = IncludeVendTrans)
    {
        IncludeVendTrans = _IncludeVendTrans;
        return IncludeVendTrans;

    }
}

i am being able to call the parmIncludeVendTrans in the DP extension class, but i am not able to see the parameter on the report dialog or in the parameter group of the report.

any Idea why it is not appearing ? Am i missing something ? Really Appreciate your help guys.

Thank you For Your Support.

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Blue Wang on at

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Hi Lieutenant,

Have you read this blog ?

http://erconsult.eu/blog/extending-sysoperation-contracts-with-datamemberattribute/

It mentioned

"The class should be declared with the SysOperationInitializable interface, and amended by an initialize() method.

However, if the original class did not implement SysOperationInitializable, your extension cannot do any better.

The only solution that worked was simple as a brick: an inline assignment of the respective field variable".

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The Bad Lieutenant 10 on at

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Hi Wang,

Can you be more precise where i should intialize SysOperationInitializable ?

cause when i wrote it here [ExtensionOf(ClassStr(CustAccountStatementExtContract)),SysOperationInitializable ] it returned an error : The name 'SysOperationInitializable' denotes a class that is not derived from the 'SysAttribute' class.

can you advise please where to intialize this method ?

Thank you

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Sergei Minozhenko 23,093 on at

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Hi

I'm not sure if SysOperationInitializable will help in this case as it's the interface that brings "Initialize" method to initialize default values.

Parameters for SSRS report should be visible on SSRS report parameters itself to be shown in the dialig and if you add a new parameter for the contract, you need to refresh data source in SSRS report and in case of a standard report it's not possible because SSRS reports are not supported for extensions.

But you could always make a copy of the report and use it instead of a standard one.

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The Bad Lieutenant 10 on at

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Hi Sergey,

the contract parameter is not showing in the report parameter itself, i have already refreshed the original Report dataset and the copied one,but nothing has showed up.

How is it possible to show the parameter on report parameter ?

Thank you

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Blue Wang on at

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Hi Lieutenant,

I have checked CustAccountStatementExtContract class. It doesn't implement SysOperationInitializable interface.

So, You can try what the article says,The only solution that worked was simple as a brick: an inline assignment of the respective field variable.

Make the parameter active by default.

The worst decision may recreate a report.

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Verified answer

Sergei Minozhenko 23,093 on at

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Hi

Have you checked CustAccountStatementExtUIBuilder class? You can try to add your field to the dialog directly via CoC, but i'm not sure if selected value will be transfered to DP class correctly.

BR, Sergei

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Sukrut Parab 71,710 Moderator on at

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Usually refreshing report data set should help you. Try restarting reporting service and then run query wizard again and restore data set and check if it is visible.

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sylvesterPowerBi 384 on at

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Hi Sergey,

I have extended the CustAccountStatmentExtUibuilder class and added my contract, it is still not showing.

i tried 2 ways , first way CoC, it returned an error with the next "The next method cannot be invoked because it's not a Chain Of Command Method "

And the second way is extending the class using extends.

In both cases the parameter didn't show up in SSRS parameter, can you please advise how to extend the UI class using coc ?

Regards,

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Sergei Minozhenko 23,093 on at

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Hi Tiesto

Have you used the same approach as described in docs (docs.microsoft.com/.../method-wrapping-coc) to create extension class, add CoC method for "build" and add new field (custom code) after next statement.

BR, Sergei

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sylvesterPowerBi 384 on at

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Hi

Yes i tried,below is my code:

[ExtensionOf(ClassStr(CustAccountStatementExtUIBuilder))]

final class CustAccountStatementExtUIBuilder_Extension

{

//private DialogField IncludeVendTransField;

// public void InitValue(NoYes IncludeVendTrans)

//{

// contract = this.dataContractObject() as CustAccountStatementExtContract;

// IncludeVendTransField = this.addDialogField(methodStr(CustAccountStatementExtContract, parmincludevendtrans),contract);

// next InitValue(IncludeVendTrans);

//}

}

can you please advise if i am missing something ?

Regards,

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