private void button10_Click(object sender, EventArgs e) //지출 저장 { DBHandling currentDB = new DBHandling(filepath); if (Sum2.Text == String.Empty) { MessageBox.Show("금액을 입력해야합니다.", "오류"); } else { if (comboBox4.Text != "" && comboBox5.Text != "" && comboBox6.Text != "") { currentDB.exp(expen_rowcount, today_date, Int64.Parse(Sum2.Text.Replace(",", "")), Note2.Text, egcode, ehcode, emcode); Sum2.Text = ""; Note2.Text = ""; load_data(); } else { MessageBox.Show("관, 항, 목을 선택해야합니다.", "오류"); } } }