private ReturnValue deleteControllerInfo(int controllerID)
        {
            bool ret = bllControllerInfo.Exists(controllerID);

            if (ret == false)
            {
                MyMessageBox.MessageBoxOK("IDΪ£º" + controllerID + "µÄ¿ØÖÆÆ÷²»´æÔÚ");
                return(ReturnValue.NotExist);
            }

            ret = bllControllerInfo.Delete(controllerID);
            if (ret == false)
            {
                MyMessageBox.MessageBoxOK("ɾ³ý¿ØÖÆÆ÷ÐÅϢʧ°Ü£¬¿ØÖÆÆ÷IDΪ£º" + controllerID);
                return(ReturnValue.Fail);
            }
            return(ReturnValue.Success);
        }