WebOct 14, 2024 · No-Tracking Queries. Sometimes you may want to get entities back from a query but not have those entities be tracked by the context. This may result in better … WebFeb 26, 2024 · as-no-tracking. In the Entity Framework, the DbContext keeps the track of all the changes done in the objects, so that the correct update is done to the database …
How do I turn off change tracking at the DbContext level in EF …
WebMar 2, 2024 · DbContext in Entity Framework is responsible for tracking the changes made on the entity or object, so the correct update is done to the database when the … WebJan 8, 2014 · If there is no database , then there is no abstraction . of cource you can create a DbContext without connecting to a database. If you set the database initializer to null … the cars go rolling by
AsNoTracking in EF6 Tutorial - Entity Framework
WebOct 14, 2024 · 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. If you are working with the EF Designer, the context will be generated for you. If you are working with Code First, you will typically write the context yourself. WebMay 21, 2024 · 11 2. Never return an IEnumerable from a Controller Action (because your DbContext will be disposed before the View is rendered. While in your case you … By default, queries that return entity types are tracking. Which means you can make changes to those entity instances and have those changes persisted by SaveChanges(). In the following example, the change to the blogs rating will be detected and persisted to the database during SaveChanges(). … See more No tracking queries are useful when the results are used in a read-only scenario. They're quicker to execute because there's no need to … See more If you find yourself changing the tracking behavior for many queries, you may want to change the default instead: This makes all your queries non-tracking by default. You can still add … See more Since a tracking query uses the change tracker, EF Core will do identity resolution in a tracking query. When materializing an entity, EF Core will return the same entity instance from the change tracker if it's already being … See more Even if the result type of the query isn't an entity type, EF Core will still track entity types contained in the result by default. In the following query, which returns an anonymous type, the instances of Blogin the result set will be … See more the cars good times roll topic