public string QueryParameter(Parametersrc p) { string json = string.Empty; try { paraMgr = new ParameterMgr(connectionString); json = paraMgr.QueryBindData(p); } 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); } return json; }