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What are expression trees in C#?

Ponu Maurya 643 24 Jun 2025

Ask by Ponu Maurya

Updated 24 Jun 2025

1 Answers

Ponu Maurya 24 Jun 2025

Expression trees (Expression<Func<T, bool>>) represent code as data. Used in LINQ providers like Entity Framework to translate expressions into SQL.

Expression<Func<int, bool>> expr = x => x > 10;

Usage:

Building dynamic LINQ queries
Serializing logic
Parsing expressions (like rules engines)

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