c# linq select list of objects looking inside another list of objects

Question

i have a list of objects(1) with a list of another objects(2) inside. i want to select some objects(1) from the first list with some king of a .where looking in the other list(2).

my classes are something like that:

class objects(1)
{
    public int Id { set; get;}
    List<Objects(2)> Objects(2) { set; get;}
}
class objects(2)
{
    public int Id { set; get;}
    DateTime? Date { set; get;}
}

so i want to select all Objects(1) where List Objects(2) { set; get;} all the values in the list has DateTime? Date != null.

mm8 · Accepted Answer · 2017-03-13 18:58:50Z

1

Try this:

List<Object1> listOfObjects1 = ...;
List<Object1> items = listOfObjects1.Where(x => x.Objects2 != null && !x.Objects2.Any(y => !y.Date.HasValue)).ToList();

answered Mar 13, 2017 at 18:58

mm8

170k10 gold badges70 silver badges102 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

c# linq select list of objects looking inside another list of objects

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related