In AX7 get Itembarcode through inventjouranltrans using OnValidatedWrite EventHandler

class NEC_InventoryAdjustmentItemBarcodeEventHandler
{
 

    // //<summary>

    //// </summary>
    //// <param name="sender"></param>
    //// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(InventJournalLossProfit, InventJournalTrans), FormDataSourceEventType::ValidatedWrite)]
    public static void InventJournalTrans_OnValidatedWrite(FormDataSource sender, FormDataSourceEventArgs e)
    {

        FormDataSource                  inventJournalTrans_ds   = sender as  FormDataSource;
        InventJournalTrans              inventJournalTrans      = inventJournalTrans_ds.cursor();
        InventDim                       inventDim;
        InventItemBarcode               inventItemBarcode;
     
        inventDim           = InventDim::find(inventJournalTrans.InventDimId);
        inventItemBarcode   = InventItemBarcode::findByProductDimensions(inventJournalTrans.ItemId,inventDim,false,false);

        if (inventItemBarcode.RecId)
        {
            inventJournalTrans.NEC_itemBarCode = inventItemBarcode.ItemBarCode;
        }
    }

}