You can use automatic properties with DbSet such as getter and setter. The following code is a simple example which shows that UniContext is derived from DbContext. If you are working with Code First, you will typically write the context yourself. If you are working with the EF Designer, the context will be generated for you. The recommended way to work with context is to define a class that derives from DbContext and exposes DbSet properties that represent collections of the specified entities in the context.

The context class manages the entity objects during run time, which includes populating objects with data from a database, change tracking, and persisting data to the database. In previous versions of Entity Framework, these tasks were often complicated to discover and code. It also reduces the number of methods and properties you need to access commonly used tasks. NET projects by pulling the relevant DLLs directly into your project from the Web.Ī Visual Studio extension called the Library Package Manager provides an easy way to pull the appropriate assembly from the Web into your projects.ĭbContext API is mostly targeted at simplifying your interaction with Entity Framework. NuGet allows you to add references to your. In order to be more flexible and frequent with releasing new features to Code First and the DbContext API, the Entity Framework team distributes EntityFramework.dll through Microsoft’s NuGet distribution feature. The DbContext API is not released as part of the. The primary class that is responsible for interacting with data as objects is. Propagate object changes back to the database.Track changes that were made to the objects.Materialize data returned from the database as entity objects.The Entity Framework maps the entities and relationships that are defined in your model to a database. The Entity Framework enables you to query, insert, update, and delete data, using Common Language Runtime (CLR) objects which is known as entities.

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