// 以輸入empl ID搜尋員工獎金資料
        public List<BonusModel> searchBonusByEmplID()
        {
            List<BonusModel> bonusList = new List<BonusModel>();

            if (this.connectToDB())
            {
                try
                {
                    DataTable dataSet = new DataTable();

                    String searchString = String.Format("SELECT * FROM bonus WHERE emplID = '" + this._bonusModel.GetEmplID() + "'");
                    MySqlCommand searchCommand = new MySqlCommand(searchString, myConnection);
                    searchCommand.ExecuteNonQuery();

                    MySqlDataAdapter adapter = new MySqlDataAdapter(searchCommand);
                    adapter.Fill(dataSet);

                    foreach (DataRow searchDr in dataSet.Rows)
                    {
                        BonusModel bonusModel = new BonusModel();
                        bonusModel.SetEmplID(searchDr["emplID"].ToString());
                        bonusModel.SetBonusDefID(searchDr["bonusDefID"].ToString());
                        bonusModel.SetBonusDate(System.Convert.ToDateTime(searchDr["bonusDate"]));
                        bonusModel.SetBonusT(searchDr["bonusT"].ToString());
                        bonusList.Add(bonusModel);
                    }
                }
                catch (MySqlException ex)
                {
                    Console.WriteLine("Error " + ex.Number + " : " + ex.Message);
                }


            }
            this.closeConnection();

            return bonusList;
        }