public string Submit(MediumOperate_Form form) { string result = string.Empty; Medium dal = new Medium(); var model = dal.GetSinglemediumById(form.medium_id); if (model == null) model = new Ba_Medium(); model.Ns_Title = form.medium_title; model.Ns_SubTitle = form.medium_subtitle; model.Ns_Content = form.medium_description; model.Ns_BuildTime = DateTime.Now; model.Ns_State = true; try { dal.SaveOrUpdate(model); result = "1"; } catch (System.Exception ex) { result = ex.ToString(); } return result; }