# OrderBy()

A LINQ operation that sorts a sequence by a selected key.

## What does **OrderBy()** do in C#?

**OrderBy()** — A LINQ operation that sorts a sequence by a selected key.

```csharp
class NameSorter
{
    IEnumerable<string> Sort(IEnumerable<string> names)
    {
        return names.OrderBy(name => name);
    }
}
```

Level: Freelancer · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/orderby