var query = from t in dtModel.AsEnumerable() group t by new { t1 = t.Field<string>("company") } into m select new { company = m.Key.t1, coid = m.First().Field<int>("coid") };
datatable 分组 linq
最新推荐文章于 2024-10-09 09:41:53 发布
var query = from t in dtModel.AsEnumerable() group t by new { t1 = t.Field<string>("company") } into m select new { company = m.Key.t1, coid = m.First().Field<int>("coid") };