private void publishersDeleteButton_Click(object sender, EventArgs e) { databaseController dbc = new databaseController(); string selectedPublisher = publishersListBox.SelectedItem.ToString();//exception needs to be handled selectedPublisher = selectedPublisher.Trim(); string[] PublisherID = selectedPublisher.Split('|'); selectedPublisher = PublisherID[1].Trim(); int id_p = Convert.ToInt32(PublisherID[0].Trim()); selectedPublisher = publishersNameTextBox.Text; Publishers pub = new Publishers(id_p, selectedPublisher); dbc.DeletePublishers(pub); publishersListBox.Items.Clear(); OutputPublishers(); }