public string AddRequestName(CbRequestNameModel model) { var enums = new CommonDAL().GetEnumModels(); var entry = enums.Where(m => (m.ItemSeq == model.RequestSeq || m.ItemValue == model.RequestName) && m.GroupSeq == 2); if (entry.Count() > 0) { return(" 此记录已存在,请重新打开界面"); } else { int count = dal.AddEnumModel(new EnumModel { ItemSeq = model.RequestSeq, ItemValue = model.RequestName, GroupSeq = 2, GroupName = "客户特殊要求标签名" }); if (count == 1) { return(null); } return("新增失败"); } }