- 'pricegroup' => { description => t8('Pricegroup'), customer => 1, vendor => 1, data_type => 'int', data => sub { $_[1]->pricegroup_id }, },
- 'partsgroup' => { description => t8('Group'), customer => 1, vendor => 1, data_type => 'int', data => sub { $_[1]->part->partsgroup_id }, },
+ 'pricegroup' => { description => t8('Pricegroup'), customer => 1, vendor => 1, data_type => 'int', data => sub { $_[1]->pricegroup_id }, exclude_nulls => 1 },
+ 'partsgroup' => { description => t8('Group'), customer => 1, vendor => 1, data_type => 'int', data => sub { $_[1]->part->partsgroup_id }, exclude_nulls => 1 },