Interface IDesignTimeDbContextFactory<TContext>
- Namespace
- Microsoft.EntityFrameworkCore.Design
- Assembly
- Microsoft.EntityFrameworkCore.dll
A factory for creating derived DbContext instances. Implement this interface to enable design-time services for context types that do not have a public default constructor. At design-time, derived DbContext instances can be created in order to enable specific design-time experiences such as Migrations. Design-time services will automatically discover implementations of this interface that are in the startup assembly or the same assembly as the derived context.
public interface IDesignTimeDbContextFactory<out TContext> where TContext : DbContextType Parameters
TContextThe type of the context.
Remarks
See Implementation of database providers and extensions for more information and examples.
Methods
CreateDbContext(string[])
Creates a new instance of a derived context.
TContext CreateDbContext(string[] args)Parameters
argsstring[]Arguments provided by the design-time service.
Returns
- TContext
An instance of
TContext.