private void EditPublisher()
 {
     selectedPublisher = dataGridViewPublishers.SelectedRows[0].Tag as Publisher;
     FormAddPublisher newPublisher = new FormAddPublisher(publishers, selectedPublisher);
     newPublisher.ShowDialog();
     selectedPublisher = null;
 }
 private void AddNewPublisher()
 {
     FormAddPublisher newPublisher = new FormAddPublisher(publishers, selectedPublisher);
     newPublisher.ShowDialog();
 }