我有一个可为空DATEOFBIRTH属性Person对象。有没有一种方法使用LINQ查询人的对象列表的之一，最早/最小DATEOFBIRTH值。

这是我开始的：

  VAR firstBornDate = People.Min（P =＆GT; p.DateOfBirth.GetValueOrDefault（DateTime.MaxValue））;
 

空DATEOFBIRTH值，以排除他们闵考虑设置为DateTime.MaxValue（假设至少有一个指定的DOB）。

不过，所有这些都对我来说是设置firstBornDate为datetime值。我想获得的是相匹配的Person对象。我是否需要写第二个查询像这样：

  VAR长子= People.Single（P =＆GT; p.DateOfBirth.GetValueOrDefault（DateTime.MaxValue）== firstBornDate）;
 

还是有这样做的一个更精简的方式？

  People.Aggregate（（curMin，X）=＆GT;（curMin == NULL ||（x.DateOfBirth？ ？DateTime.MaxValue）所述; curMin.DateOfBirth×：curMin））
 

I have a Person object with a Nullable DateOfBirth property. Is there a way to use LINQ to query a list of Person objects for the one with the earliest/smallest DateOfBirth value.

Here's what I started with:

var firstBornDate = People.Min(p => p.DateOfBirth.GetValueOrDefault(DateTime.MaxValue));

Null DateOfBirth values are set to DateTime.MaxValue in order to rule them out of the Min consideration (assuming at least one has a specified DOB).

But all that does for me is to set firstBornDate to a DateTime value. What I'd like to get is the Person object that matches that. Do I need to write a second query like so:

var firstBorn = People.Single(p=>p.DateOfBirth.GetValueOrDefault(DateTime.MaxValue) == firstBornDate);

Or is there a leaner way of doing it?

People.Aggregate((curMin, x) => (curMin == null || (x.DateOfBirth ?? DateTime.MaxValue) < curMin.DateOfBirth ? x : curMin))