public List<T> Graves_QueryPlanView<T>(string areaId) where T:new()
        {
            TombDBContext db = new TombDBContext();
            var query = from s in db.SubArea
                         join p in db.subAreaPosition
                         on s.Id equals p.FSubArea into temp
                         from p in temp.DefaultIfEmpty()
                         where s.FareaId == areaId
                         select new
                         {
                             s.Id,           //区域编号
                             s.SubName,      //区域名称
                             s.FareaId,      //大区编号
                             posId = (p == null ? 0 : p.pId), //位置编号
                             posLeft = (p == null ? 0 : p.pLeft), //左距离
                         };            
            return query.ToList<T>();  //错误    5    实例参数: 无法从“System.Linq.IQueryable<AnonymousType#1>”转换为“System.Linq.ParallelQuery<T>”    F:\projects\TombPrj\TombDAL\GraveService.cs    346    20    TombDAL
      
        }
private void dd()
{
List<PlanView> plans = Graves_QueryPlanView<PlanView>("2001");
}

public interface IArea
{
    int Id { get; set; }
    string SubName { get; set; }
    int FareaId { get; set; }
    int ParentId { get; set; }
    int Left { get; set; }
}

------解决方案--------------------

select new T {}