Linq in查询

 protected void Page_Load(object sender, EventArgs e)
        {
            List<string> powerIds = new List<string> { "2", "3" };
            List<PmsAnalog> analogs=new List<PmsAnalog>();
            PmsAnalog a = new PmsAnalog("1");
            PmsAnalog b = new PmsAnalog("2");
            PmsAnalog c = new PmsAnalog("3");
            PmsAnalog d= new PmsAnalog("4");
            analogs.Add(a);
            analogs.Add(b);
            analogs.Add(c);
            analogs.Add(d);
            ObservableCollection<PmsAnalog> analog = new ObservableCollection<PmsAnalog>((from p in analogs
                                                             from ids in powerIds
                                                             where p.DeviceId == ids
                                                             select p).ToList());
            GridView1.DataSource = analog;
            GridView1.DataBind();
        }

效果：