一个Linq

public class CalendaerCollectItem
{
    public int ID { get; set; }
    public string Name { get; set; }
    public int Finished { get; set; }
    public int NotFinished { get; set; }
}

////按照员工ManagerUserID筛选出最终要显示的结果
            var query = from t in dtSource.AsEnumerable()
                        group t by new { t1 = t.Field<Int16>("ManagerUserId"), t2 = t.Field<string>("Name") }
                            into m
                            select new
                            {
                                ID = m.Key.t1,//ManagerUserID
                                Name = m.Key.t2,//客服的名字
                                Finished = m.Count(n => n.Field<Int16>("status").Equals()), //统计完成的
                                NotFinished = m.Count(n => n.Field<Int16>("status").Equals()) //统计未完成的
                            };
            //存到List中提交到前台
            List<CalendaerCollectItem> list = new List<CalendaerCollectItem>();
            query.ToList().ForEach(a =>
            {
                CalendaerCollectItem item = new CalendaerCollectItem();
                item.ID = a.ID;
                item.Name = a.Name;
                item.Finished = a.Finished;
                item.NotFinished = a.NotFinished;
                list.Add(item);
            });