What is ObjectContext?
ObjectContext is a class that manages all the database operations, like database connection, and manages various entities of the Entity Model. We can say that ObjectContext is the primary class for accessing or working together with entities that are defined in the conceptual model.
How do I optimize Entity Framework?
Tips to improve Entity Framework Performance
- Avoid to put all the DB Objects into One Single Entity Model.
- Disable change tracking for entity if not needed.
- Use Pre-Generating Views to reduce response time for first request.
- Avoid fetching all the fields if not required.
- Choose appropriate Collection for data manipulation.
What is ObjectContext in Entity Framework?
ObjectContext is a class that is used to manage database operations such as database connection and management of different entities of the Entity model. In other words, ObejctContext is the basis or primary class that allows accessing and working with entities defined in the conceptual model.
How do I disable proxy entity?
Proxy creation can be disabled by using the ProxyCreationEnabled flag. In the following example I have put it in the constructor of the context. We can also disable creation of a proxy at the time of object creation of the context instead of disabling it at the constructor of the context.
What is the difference between EF6 and EF Core?
EF 6 is a stable and mature ORM while EF Core is relatively new. Microsoft rebuilt EF Core from the ground up and removed many of the internal dependencies and providers that EF 6 had (like SQLClient). In the long run, that will make EF Core much more extensible and lighter weight.
Why is Entity Framework so slow?
Entity Framework loads very slowly the first time because the first query EF compiles the model. If you are using EF 6.2, you can use a Model Cache which loads a prebuilt edmx when using code first; instead, EF generates it on startup.
When should I use Entity Framework?
The Entity Framework enables developers to work with data in the form of domain-specific objects and properties, such as customers and customer addresses, without having to concern themselves with the underlying database tables and columns where this data is stored.
How do I increase performance with autodetectchangesenabled?
Entity Framework increasing performance with AutoDetectChangesEnabled. If you need to insert a lot of data into the framework with Microsoft Entity Framework you may want to set the AutoDetectChangesEnabled to false. This will improve performance because the DetectChanges won’t execute the detection of changes in the objec.
What is the use of ExecuteStoreQuery?
An enumeration of objects of type TResult. The ExecuteStoreQuery method uses the existing connection to execute an arbitrary command directly against the data source. The store command is executed in the context of the current transaction, if such a transaction exists.
How to disable the auto detect changes in a dbset?
To disable the auto detect changes you need to set the context to false. the AutoDetectChanges is inside the Configuration property. This method “DetectChanges” will be called when you use the Add, Attach, Find, Local, or Remove members on DbSet.
How do I call the ExecuteStoreQuery method of the dbcommand class?
Calling the ExecuteStoreQuery method is equivalent to calling the ExecuteReader method of the DbCommand class, only ExecuteStoreQuery returns entities and the ExecuteReader returns property values in the DbDataReader. Specify the entity set name, if you want for the results to be tracked as entities.