Implementing a generic data access layer using Entity Framework

brajpanda:

I recommend this blog post for anyone starting out on a new project that implements EF.

Originally posted on Magnus Montin:

This post is about how you can develop a generic data access layer (DAL) with full CRUD (Create, Read, Update and Delete) support using Entity Framework 5 with plain old CLR objects (POCOs) and short-lived contexts in a disconnected and stateless N-tier application.

Entity Framework (EF) is Microsoft’s recommended data access technology when building new .NET applications. It is an object-relational mapping framework (ORM) that enables developers to work with relational data using domain-specific objects without having to write code to access data from a database.

EF provides three options for creating the conceptual model of your domain entities, also known as the entity data model (EDM); database first, model first and code first. With both the model first and code first approaches the presumption is that you don’t have an existing database when you start developing the application and a database schema is created based on the model. As…

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