public string LoadData(PageInfo <ViewSystemAction> pageInfo, ViewSystemAction oSearchEntity = null, string sOperator = null, int iOrderGroup = 0, string sSortName = null, string sSortOrder = null) { return(JsonHelper.ObjectToJSON(_systemActionService.GetPageList(pageInfo, oSearchEntity, sOperator, iOrderGroup, sSortName, sSortOrder))); }