public HttpResponseBase GetBrandName() { string json = string.Empty; _promotionBannerMgr = new PromotionBannerMgr(mySqlConnectionString); PromotionBannerQuery query = new PromotionBannerQuery(); try { if (!string.IsNullOrEmpty(Request.Params["pb_id"])) { query.pb_id = Convert.ToInt32(Request.Params["pb_id"]); } if (!string.IsNullOrEmpty(Request.Params["brand_id"])) { query.singleBrand_id = Convert.ToUInt32(Request.Params["brand_id"]); } if (!string.IsNullOrEmpty(Request.Params["startdate"])) { query.date_start = Convert.ToDateTime(Request.Params["startdate"]); } if (!string.IsNullOrEmpty(Request.Params["enddate"])) { query.date_end = Convert.ToDateTime(Request.Params["enddate"]); } if (!string.IsNullOrEmpty(Request.Params["multi"])) { query.multi = Convert.ToInt32(Request.Params["multi"]); } if (query.singleBrand_id == 0) { json = "{success:false,msg:\"-1\"}"; } else { string name = _promotionBannerMgr.GetBrandName(query); if (name == "-1") { json = "{success:false,msg:\"-1\"}"; } else if (name == "-2") { json = "{success:false,msg:\"-2\"}"; } else { json = "{success:true,msg:\""+ name +" \"}"; } } } catch (Exception ex) { 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); json = "{success:false}"; } this.Response.Clear(); this.Response.Write(json.ToString()); this.Response.End(); return this.Response; }