class Person { public string Name { get; set; } public int Age { get; set; } } Listpeople = new List { ... }; var namesAndAges = people.Select(p => new { Name = p.Name, Age = p.Age });
class Order { public int Id { get; set; } public decimal Amount { get; set; } } ListPackage library: System.Linq (included in .NET Standard and .NET Core)orders = new List { ... }; var orderTotals = orders.Select(o => new { Id = o.Id, Total = o.Amount * 1.08m });