'invnum' => ( $params{'no_number'} ? '' : $self->invnum ),
'quotationnum' => $self->quotationnum,
'no_date' => $params{'no_date'},
+ '_date' => ( $params{'no_date'} ? '' : $self->_date ),
'date' => ( $params{'no_date'}
? ''
: time2str($date_format, $self->_date)