Answers for "c# linq unique by property"

c# linq unique by property

List<Person> distinctPeople = allPeople
   .GroupBy(p => p.PersonId)
   .Select(g => g.FirstOrDefault())
   .ToList();

Posted by: Guest on November-19-2021

c# linq unique by property

Persons.ToLookup(p => p.Id).Select(coll => coll.First());

Posted by: Guest on November-19-2021

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