private void button_Save_Click(object sender, EventArgs e) { Model.Flight flight = new Model.Flight( textBox1.Text, textBox10.Text, textBox2.Text, textBox3.Text, dateTimePicker1.Value, dateTimePicker2.Value, float.Parse(textBox4.Text), int.Parse(textBox5.Text), float.Parse(textBox6.Text), int.Parse(textBox7.Text), float.Parse(textBox8.Text), int.Parse(textBox9.Text) ); if (fno != "") { if (flight.Update()) { MessageBox.Show("Successful!", "Information", MessageBoxButtons.OK); Log.Add(Program.user.ID, "Update flight " + fno + "."); this.Close(); } } else { if (flight.Add()) { MessageBox.Show("Successful!", "Information", MessageBoxButtons.OK); Log.Add(Program.user.ID, "Add a flight."); this.Close(); } } }