how to filter data in generic list in asp .net

  List<_tbl> _objuser = new List<_tbl>();
 var newobj = _objuser.FindAll(delegate(_tbl p) {
                    return  (DateTime.Compare(p.RequestDate.Value.Date, dt1.Date) >= 0) && (DateTime.Compare(dt2.Date,p.RequestDate.Value.Date) >= 0);
                }
                );