private void ShowEditForm(object sender, EventArgs e)
        {
            var publisherEdit = new PublisherEditForm(_publisher.PublisherId.ToString());

            publisherEdit.ShowDialog();
            Close();
        }
 private void ShowPublisherEditForm(object sender, EventArgs e)
 {
     if (publishersListBox.SelectedIndex == -1)
     {
         MessageBox.Show("Odaberi izdavaca!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
     }
     else
     {
         var publisherEdit = new PublisherEditForm(publishersListBox.SelectedItem.ToString().OnlyNumbers());
         publisherEdit.ShowDialog();
         FillPublishersListBox();
     }
 }