How to: Execute a Query that Returns Entity Type Objects

[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

This topic provides examples of how to execute a query that returns a collection of entities. It then iterates through the collection of Contacts and displays the first and last name for each Contact. . To return just a single object, use one of the following methods on top of your query: First, FirstOrDefault, Single, SingleOrDefault.

The same example is shown using each of the following Entity Framework query technologies:

The example in this topic is based on the Adventure Works Sales Model. To run the code in this topic, you must have already added the Adventure Works Sales Model to your project and configured your project to use the Entity Framework. For more information, see How to: Use the Entity Data Model Wizard (Entity Framework) or How to: Manually Configure an Entity Framework Project and How to: Manually Define an Entity Data Model (Entity Framework).


The following is the LINQ to Entities example.

The following is the Entity SQL example.

The following is the query builder method example.

See Also