Programming Entity Framework: DbContext e-bog

The DbContext API captures Entity Frameworks (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.With DbContext, youll be able to query and update data, whether youre working with individual objects or graphs of objects and their related data. Youll find numerous C# code samples to help you get started. All you need is experience with Visual Studio and database management basics.Use EFs query capabilities to retrieve data, and use LINQ to sort and filter dataLearn how to add new data, and change and delete existing dataUse the Change Tracker API to access information EF keeps about the state of entity instancesControl change tracking information of entities in disconnected scenarios, including NTier applicationsValidate data changes before theyre sent to the database, and set up validation rulesBypass EFs query pipeline and interact directly with the database