public WorkFlowActivityLogModel QueryActivityLogByAppId(string appId)
 {
     try
     {
         return(WorkFlowActivityLogDALInstance.QueryByAppId(appId));
     }
     catch (Exception ex)
     {
         LogHelp.Instance.Write(ex, MessageType.Error, GetType(), MethodBase.GetCurrentMethod().Name);
         return(null);
     }
 }
 public IList <WorkFlowActivityLogModel> QueryActivityLogByCondition(KeyValuePair <string, string> workflowParam,
                                                                     KeyValuePair <string, object> conditionParam)
 {
     return(WorkFlowActivityLogDALInstance.QueryByCondition(workflowParam, conditionParam));
 }