juniorLINQ

What is OrderBy in LINQ?

Updated May 16, 2026

Short answer

OrderBy sorts elements in ascending order.

Deep explanation

LINQ sorting uses key selectors to arrange data. OrderBy creates a sorted sequence without modifying the original collection.

Real-world example

Sorting product list alphabetically.

Common mistakes

  • Assuming OrderBy modifies the original list.

Follow-up questions

  • What is ThenBy?
  • Is sorting stable?

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