Query Expression

SQL-like C# syntax that the compiler translates into LINQ method calls.

What is Query Expression in C#?

Query Expression — SQL-like C# syntax that the compiler translates into LINQ method calls.

class NameFilter
{
    IEnumerable<string> ShortNames(IEnumerable<string> names)
    {
        return names
            .Where(name => name.Length < 5)
            .Select(name => name.ToUpper());
    }
}

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Updated September 27, 2026