Access a datasource from 2 forms away using Extension - X++

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Posted on by jerrold-verzosa

Hi,

How can I access a datasource from the PurchReqTable in the third form(BudgetCreateTransfer) using Extension?

I want to access PurchReqTable.PurchReqId when I click Create Budget Request(Lower right of the picture).

[ExtensionOf(formControlStr(BudgetCreateTransfer, RequestBudgetButton))]
final class BudgetCreateTransfer_Extension
{

    public void clicked()
    {
        next clicked();
         //.... Access PurchReqTable.PurchReqId here ....////

    }

}

Left to Right
PurchReqTable

BudgetCheckResults

BudgetCreateTransfer

Thanks in advance!

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nmaenpaa 101,166 Moderator on at

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You can access current FormRun via "element".

You can access caller formRun via "element.args().caller()".

And the caller of the caller via "element.args().caller().args().caller()". Depending on the case you might need to adjust a bit but that's the idea.

So, on each form you can access the caller via the caller() merhod of the args.

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Verified answer

nmaenpaa 101,166 Moderator on at

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And once you have the correct FormRun, you can access anything on that form. Data sources can be accessed via FormRun.DataSource() method.

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jerrold-verzosa 65 on at

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Hello, this is my approach and thanks for the help
Found out that you can access the field through element.BudgetTransactionHeader.TransferSourceNumber
[ExtensionOf(formControlStr(BudgetCreateTransfer, RequestBudgetButton))] final class BudgetCreateTransfer_Extension { public void clicked() { next clicked(); ttsbegin; try { str purchReqId = element.budgetTransactionHeader.TransferSourceNumber; //Insert other code here // // } catch { info("Caught an exception."); } ttscommit; } }

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