Select()

A LINQ operation that transforms every item in a sequence.

What does Select() do in C#?

Select() — A LINQ operation that transforms every item in a sequence.

class NameFormatter
{
    IEnumerable<string> Uppercase(IEnumerable<string> names)
    {
        return names.Select(name => name.ToUpper());
    }
}

Level: Freelancer · More C# terms at this level

Updated September 27, 2026