private void Submit_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                using (conn = new MySqlConnection(dbInfo()))
                {
                    conn.Open();
                    if (conn.State == ConnectionState.Open) // System.Data
                    {
                        MessageBox.Show("서버에 연결");
                    }

                    // MySql DB Table 생성 (없으면)
                    string create_sql = "Create table if not exists " + dbTable + " ("
                                        + "id int NOT NULL AUTO_INCREMENT PRIMARY KEY,"
                                        + "date Date NOT NULL,"
                                        + "title Varchar(45) NOT NULL,"
                                        + "amount int NOT NULL,"
                                        + "source Varchar(45) NOT NULL,"
                                        + "remarks Varchar(45)"
                                        + ");";
                    MySqlCommand create_cmd = new MySqlCommand(create_sql, conn);
                    create_cmd.ExecuteNonQuery();
                    //MessageBox.Show("테이블 생성 성공");

                    // MySql DB Table 값 입력
                    string insert_sql = "";
                    if (Remarks.ToString() != "")
                    {
                        insert_sql = "insert into " + dbTable
                                     + "(date, title, amount, source, remarks)"
                                     + " values "
                                     + "(\'" + Date.Text + "\', \'" + Title.Text + "\', " + Amount.Text + ", \'" + Source.Text + "\', \'" + Remarks.Text + "\');";
                    }
                    else
                    {
                        insert_sql = "insert into " + dbTable
                                     + "(date, title, amount, source)"
                                     + " values "
                                     + "(\'" + Date.Text + "\', \'" + Title.Text + "\', " + Amount.Text + ", \'" + Source.Text + "\');";
                    }
                    MySqlCommand insert_cmd = new MySqlCommand(insert_sql, conn);
                    insert_cmd.ExecuteNonQuery();
                    MessageBox.Show("입력 성공!");

                    conn.Close(); // 연결 종료
                    finance1.Finance_Reloaded();
                    Close();      // 윈도우 종료
                }
            }
            catch (Exception ex) { MessageBox.Show(ex.Message); }
        }