摘要: List<MesStock> result = new List<MesStock>(); mesStocks.GroupBy(x => new { x.Deid, x.Pno, x.Sno }, (x, y) => { var total = y.Sum(a => a.TotalNums); va 阅读全文
posted @ 2020-04-07 16:52 石shi 阅读(5508) 评论(0) 推荐(0) 编辑