private void InitialComboBoxDoctor()
        {
            var data = from doctorData in DoctorService.GetAllDoctorToList()
                       select new ComboData(doctorData.Name.ToString(), doctorData.Code.ToString());

            var dataTypeList = data.ToList();

            dataTypeList.Insert(0, new ComboData("請選擇", ""));

            this.comboBoxDoctor.DisplayMember = "Display";
            this.comboBoxDoctor.ValueMember   = "Value";
            this.comboBoxDoctor.DataSource    = dataTypeList;
            this.comboBoxDoctor.DropDownStyle = ComboBoxStyle.DropDownList;
            //this.comboBoxDoctor.SelectedValue = ConfigServices.Config.DoctorName;
            this.txtDoctor.Text = Config.DoctorName;
        }