public ResResultModel GetContentFilesByContentId(object contentId) { try { var sContentId = Guid.Empty; if (contentId != null) { Guid.TryParse(contentId.ToString(), out sContentId); } if (sContentId.Equals(Guid.Empty)) { return(ResResult.Response(false, MC.Request_Params_InvalidError, null)); } var bll = new ContentFile(); var list = bll.GetListByJoin(string.Format("and ContentId = '{0}'", contentId), null); return(ResResult.Response(true, "", "{\"total\":" + list.Count + ",\"rows\":" + JsonConvert.SerializeObject(list) + "}")); } catch (Exception ex) { return(ResResult.Response(false, ex.Message, "")); } }