/// <summary> /// 根据主键删除数据 /// </summary> /// <param name="IDs">主键,多个用英文逗号分隔</param> /// <returns>成功返回空值,否则返回提示</returns> public retValue DeleteByPK(string IDs) { retValue ret = new retValue(); string res = dal.DeleteByPK(IDs); if (string.IsNullOrEmpty(res)) { ret.result = true; ret.data = "删除成功"; } else { ret.result = false; ret.reason = res; } return(ret); }