public JsonResult UpdateActiveFare()
        {
            try
            {
                int currentUser = (System.Web.HttpContext.Current.Session["caller"] as Caller).user_id;
                int activeValue = Convert.ToInt32(Request.Params["active"]);
                if (Convert.ToInt32(Request.Params["mo_user"]) == currentUser && activeValue == 1)
                {
                    return Json(new { success = "stop" });
                }
                else
                {


                    string event_id = Request.Params["event_id"].ToString();
                    EventPromoAmountFare model = new EventPromoAmountFare();
                    model.modify_user = currentUser;
                    model.modify_time = DateTime.Now;
                    model.event_id = event_id;
                    model.event_status = activeValue;
                    model.condition_type = Convert.ToInt32(Request.Params["type"]);
                    iepaFareMgr = new EventPromoAmountFareMgr(mySqlConnectionString);

                    if (iepaFareMgr.UpdateActive(model))
                    {
                        return Json(new { success = "true" });
                    }
                    else
                    {
                        return Json(new { success = "false" });
                    }
                }
            }
            catch (Exception ex)
            {
                //加入資料庫異常捕捉

                Log4NetCustom.LogMessage logMessage = new Log4NetCustom.LogMessage();
                logMessage.Content = string.Format("TargetSite:{0},Source:{1},Message:{2}", ex.TargetSite.Name, ex.Source, ex.Message);
                logMessage.MethodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                log.Error(logMessage);
                return Json(new { success = "false", error = BLL.gigade.Common.CommonFunction.MySqlException(ex) });
            }

        }