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How to extend an out of the box data entity method?

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Posted on by nayshIB

I have an out of the box entity that I've extended to include modified and created by fields. If a record existed before turning on the fields it's filled with a '?' and the customer doesn't want question marks in the output file, either the name or blank. In custom entities I had no problem adding code to the postLoad() method to change the '?'s to blank strings, but it's when I tried extending the out of the box entities.

An example here (shown below) https://community.dynamics.com/365/financeandoperations/b/365finopsknowledge/posts/how-to-extend-or-overwrite-dataentity-methods-in-d365-finance-and-operations-x is not working for me, the extended code is never hit when running the entity. I also tried using dataEntityViewStr isntead of tableStr for the extensionOf, neither are working.

Is this possible?

[ExtensionOf(tableStr(SalesOrderHeaderV2Entity))]
final class SWClass_SalesOrderHeaderV2Entity_Extension
{

public void postload()
{
next postload();

SalesOrderHeaderV2Entity SalesOrderHeaderV2Entity = this;

SalesTable salesTable = SalesTable::find(SalesOrderHeaderV2Entity.SalesOrderNumber);

SalesOrderHeaderV2Entity.customdate += date2Str(salesTable.createddateandtime, 213,
DateMonth::Digits2,
DateSeparator::Slash,
DateDay::Digits2,
DateSeparator::Slash,
DateYear::Digits4);
}

}

}

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Gunjan Bhattachayya 35,423 on at

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Hi,

You can use an event handler for "OnPostedLoad" event. I think That should serve your requirement.

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Martin Dráb 238,745 Most Valuable Professional on at

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Using CoC on postLoad() should work without problems.

But the rest of the code is wrong and it won't even compile (if CustomDate is a date, as the name suggests). It's trying to add two dates together, which makes no sense. And it even converts one of them to a string, therefore it wants to add a string to a date, which makes even less sense. And the field is CreatedDateTime, not CreatedDateAndTime.

The author meant something like this:

[ExtensionOf(tableStr(SalesOrderHeaderV2Entity))] final class My_SalesOrderHeaderV2Entity_Extension { public void postLoad() { next postLoad(); SalesTable salesTable = SalesTable::find(this.SalesOrderNumber); this.CustomDate = DateTimeUtil::date(salesTable.CreatedDateTime); } }

By the way, please use Insert > Insert Code (in the rich-formatting view to paste source code, as I did.

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nayshIB 95 on at

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Here's specifically what I'm using for the VendorInvoiceHeaderEntity and I have breakpoints in postLoad, it isn't being hit for some reason.

[ExtensionOf(tableStr(VendorInvoiceHeaderEntity))] final class VendorInvoiceHeaderEntity_Extension { public void postLoad() { next postLoad(); if (this.ModifiedBy1 == "?") this.ModifiedBy1 = ""; if (this.CreatedBy1 == "?") this.CreatedBy1 = ""; } }

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Martin Dráb 238,745 Most Valuable Professional on at

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It seems I misunderstood your problem. To achieve the same thing, simply write a data update job and modify values of ModifiedBy1 and CreatedBy1. Then you don't have to decrease performance by overriding postLoad().

Using update_recordset is the best way to implement the data update job.

If you was in a situation where it's not possible, you would be a better of writing a computed column than populating a virtual field in postLoad(). But in this case, neither seems to be needed.

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WillWU 22,363 on at

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Hi nayshIB,

If the value is based on a conditions, you can think of it as a calculated column or virtual field.This will not affect the field value of the original data entity.

Please have a look at the document:docs.microsoft.com/.../data-entity-computed-columns-virtual-fields

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