Aug 8, 2025 · Language-Integrated Query (LINQ) is the name for a set of technologies based on the integration of query capabilities directly into the C# language. Traditionally, queries against data are …

Feb 4, 2022 · Language-Integrated Query (LINQ) provides language-level querying capabilities, and a higher-order function API to C# and Visual Basic, that enable you to write expressive declarative code.

Mar 24, 2025 · LINQ offers a consistent model for queries on data across various kinds of data sources and formats. In a LINQ query, you're always working with objects.

Sep 15, 2021 · This tutorial teaches you how to generate sequences with LINQ, write methods for use in LINQ queries, and distinguish between eager and lazy evaluation.

Aug 20, 2025 · The standard query operators are the keywords and methods that form the LINQ pattern. The C# language defines LINQ query keywords that you use for the most common query expression. …

Jan 18, 2025 · Most queries in the introductory Language Integrated Query (LINQ) documentation are written by using the LINQ declarative query syntax. The C# compiler translates query syntax into …

Sep 15, 2021 · LINQ enables you to query data from a SQL Server database, XML, in-memory arrays and collections, ADO.NET datasets, or any other remote or local data source that supports LINQ.

Jan 16, 2025 · In LINQ, join operations are performed on sequences of objects whose elements are different types. After you join two sequences, you must use a select or group statement to specify …

Dec 15, 2023 · Learn how types of variables in a LINQ query relate to each other. LINQ query operations are strongly typed in the data source, in the query, and in execution.

Sep 15, 2021 · Includes links to topics that explain how to use LINQ to XML, which provides the in-memory document modification capabilities of the Document Object Model (DOM), and supports …