private void deleteMatchButton_Click_1(object sender, EventArgs e) { try { if (MessageBox.Show("Are you sure, that you want to delete this match?", "Match Database", MessageBoxButtons.YesNo) == DialogResult.Yes) { if (!connectionWithDatabase.isConnected()) { connectionWithDatabase.OpenConnection(); } connectionWithDatabase.removeMatch(removeMatchListBox); MessageBox.Show("Succesfully removed this match."); } } catch (Exception es) { MessageBox.Show("Error 404 in adding Team. Check DataBaseConnection \r\n" + es.Message + "\r\n" + es.InnerException.Message); } finally { connectionWithDatabase.CloseConnection(); } }