Recover Deleted Sales Order in AX

static void RecoverDeletedSalesOrder(Args _args)
{
    SalesTableDelete    salesTableDelete;
    SalesLineDelete     salesLineDelete;
    SalesTable          salesTable;
    SalesLine           salesLine;
    ;
    SalesTableDelete = SalesTableDelete::find('', true);
    ttsbegin;
    switch (salesTableDelete.Cancelled)
    {
        case Voided::Voided :
            salesTable  = conpeek(salesTableDelete.SalesTable, 1);
            salesTable.insert();
            while select forupdate salesLineDelete where salesLineDelete.SalesId == salesTableDelete.SalesId
            {
                salesLine = conpeek(salesLineDelete.SalesLine, 1);
                salesLine.insert();
            }
            salesTableDelete.delete();
            break;
        case Voided::linesVoided :
            while select forupdate salesLineDelete where salesLineDelete.SalesId == salesTableDelete.SalesId
            {
                salesLine = conpeek(salesLineDelete.SalesLine, 1);
                salesLine.insert();
                salesLineDelete.delete();
            }
            salesTableDelete.delete();
            break;
   }
   ttscommit;
}