SaveChanges
SaveChanges is an Entity Framework Core DbContext method that persists tracked entity changes to the database.
ASP.NET Core in Action, 3e
SaveChanges is an Entity Framework Core database-context method that persists tracked data changes to the configured database.
- How it is used
- Persists tracked entity changes during create, update, delete, and database-testing workflows.
- How deep it goes
- Explains change-tracking snapshots and selective updates, while deferring alternative tracking mechanisms and configuration details.
- Examples
- Uses recipe updates, soft deletion, and test-data persistence with an in-memory SQLite provider.
- What you can do after
- Apply it via Entity Framework Core to persist tracked changes and verify database writes in tests.
Building Web APIs with ASP.NET Core
SaveChanges is the Entity Framework Core method that persists tracked entity changes to the database.
- How it is used
- Persists modifications made to entities tracked during an API action's unit of work.
- How deep it goes
- Explains retrieval, tracking, modification, change detection, persistence, and disposal, without detailing generated SQL internals.
- Examples
- Uses a batch rename of Mechanic entities as the concrete modification scenario.
- What you can do after
- Apply it via Entity Framework Core to persist tracked changes and report the update result from an API action.
Read how Building Web APIs with ASP.NET Core explains SaveChanges →
.NET in Action, Second Edition
SaveChanges is the EF Core DbContext method that persists tracked changes to the database.
- How it is used
- Persists entities added or changed through a DbContext before later queries read them from the database.
- How deep it goes
- Explains the save boundary and generated identifiers through a focused in-memory example, without detailing transaction or change-tracking internals.
- Examples
- Uses a CatalogContext, Book entities, an in-memory database, generated Id values, and an ordered LINQ query.
- What you can do after
- Apply it via EF Core to persist added entities and verify their generated identifiers with a subsequent query.
Read how .NET in Action, Second Edition explains SaveChanges →
Related concepts
- data seedinguses · Data seeding is the process of populating a database with initial or required records.
- SaveChangesAsyncalternative to · SaveChangesAsync is an Entity Framework Core DbContext method that asynchronously persists tracked data changes to a database.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.