HELP...NEED BATCH OPENING & CLOSING DATE

Need to fetch the BATCH inward stk journal date(OPENING DATE) and outward sales voucher date(CLOSING DATE)
it is only showing the first entered voucher date when it is sales voucher date or stk journal date

Code:

[#Collection: Active Batches]

Title       : $$LocaleString:"List of Active Batches"
    Type        : Batch
    Child of    : $StockItemName
    Collection  : New Number
    Fetch                : Name, Parent, ExpiryPeriod, ActualQty, ClosingBalance, GodownName, ClosingAsondate,Opening Rate,Narration,LastVoucherDate
    Format      : $$Name, 10
    Format      : $ExpiryPeriod, 8 : Month Ending
    ;Format      : $ClosingBalance       : "Base"
    Format                       : $ClosingRate, 10
    Format                       : $Date, 10
    Format                       : $LastVoucherDate, 10
Format                       : $inwardquantity, 10
;;Format                       : $VchLedName, 10
 
;;Add : Format : Before : $$Name,10                       :  $Date, 10
    Format        : @@VchStkItmBalance    : "Base"
    Filter      : BelongsToSVGodown, ExpiryDatesFilter,TrackOfLedger,ChkClsBal

[System:Formula]
ChkClsBal : NOT $$IsEmpty:$ClosingBalance

 

please someone help