Caller form datasource access in child form - Dynamics 365 for operations

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Caller form datasource access in child form - Dynamics 365 for operations

Reference

[PostHandlerFor(formStr(VendBankAccounts), formMethodStr(VendBankAccounts, init))]public static voidVendBankAccounts_Post_init(XppPrePostArgs args){
FormRun element = args.getThis();
FormRun callerForm = element.args().caller();
FormDataSource formDataSource = element.ObjectSet();
PurchAgreementHeader purchAgreementHeader;
QueryBuildRange qbrVendor;
Query vendBankAccountsQuery = new Query();
if (callerForm && element.args().caller().name() == formStr(PurchAgreement)) {
    vendBankAccountsQuery = formDataSource.query();
    purchAgreementHeader = callerForm.dataSource(1).cursor() as PurchAgreementHeader;
    qbrVendor = vendBankAccountsQuery.dataSourceNo(1).addRange(fieldNum (VendBankAccount, VendAccount));    qbrVendor.value(purchAgreementHeader.VendAccount);
    formDataSource.query(vendBankAccountsQuery);
  }
}

Sample code

 [PostHandlerFor(formStr(SalesUpdateRemain), formMethodStr(SalesUpdateRemain, closeOk))]
    public static void SalesUpdateRemain_Post_closeOk(XppPrePostArgs args)
    {
        FormRun element = args.getThis();
        FormRun callerForm = element.args().caller();
        FormDataSource formDataSource = element.ObjectSet();
        SalesLine salesLine;
        FormRealControl   remainInventPhysical = element.design(0).controlName("RemainInventPhysical");

        if (callerForm && element.args().caller().name() == formStr(SalesTable))
        {
            salesLine = callerForm.dataSource(2).cursor() as SalesLine;
            //do your logic
        }


    }