Can you have multiple DbContext?
In Entity Framework Core 2.0, you can implement multiple DbContext and apply changes to one single database by using multiple projects. It can be any database; for example SqlLite, SQLServer, or MySQL. In this tutorial, I will be using SQLServer with EntityFramework Core 2.0.
What is the difference between DbContext and IdentityDbContext?
A regular DbContext allows to handle your own data (and it can be whatever you want). IdentityDbContext is a specialized context intended to handle users, roles etc… To allow for customization it uses generics so that you can provide your own types if you want to customize your entities.
Is creating DbContext expensive?
The first time a DbContext is created is pretty expensive but once this has been done a lot of the information is cached so that subsequent instantiations are a lot quicker.
Is DbContext a database?
The class that derives DbContext is called context class in entity framework. DbContext is an important class in Entity Framework API. It is a bridge between your domain or entity classes and the database….DbContext Properties.
| Method | Usage |
|---|---|
| Database | Provides access to database related information and operations. |
What is ApplicationDbContext?
The ApplicationDbContext links the database server to the data model classes in the Asp.Net application. This only calls dbContext. Table1. Field1 and has the value of a data table. If you are in an Asp MVC controller, the ApplicationDbContext is always available as _context.
What is IdentityDbContext?
IdentityDbContext will let you use your own ApplicationUser class as the User entity. I.e. you can have custom properties on your users. The IdentityDbContext class inherits from IdentityDbContext which means you will have to use the IdentityUser class for your users.