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V24.1
.NET 6.0+
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EFCoreObjectSpaceProviderBuilderExtensions.AddEFCore<TContext>(IObjectSpaceProviderServiceBasedBuilder<TContext>, Action<IServiceProvider, EFCoreObjectSpaceProviderOptionsBuilder>) Method

Adds the EFCoreObjectSpaceProvider<TDbContext> to your ASP.NET Core Blazor application.

Namespace: DevExpress.ExpressApp.ApplicationBuilder

Assembly: DevExpress.ExpressApp.EFCore.v24.1.dll

NuGet Package: DevExpress.ExpressApp.EFCore

Declaration

public static DbContextServiceBasedBuilder<TContext> AddEFCore<TContext>(
    this IObjectSpaceProviderServiceBasedBuilder<TContext> builder,
    Action<IServiceProvider, EFCoreObjectSpaceProviderOptionsBuilder> configureObjectSpaceProviderOptions
)
    where TContext : IXafApplicationBuilder<TContext>, IAccessor<IServiceCollection>

Parameters

Name Type Description
builder IObjectSpaceProviderServiceBasedBuilder<TContext>

Allows you to register and configure Object Space Providers in your application, and chain further provider registrations.

configureObjectSpaceProviderOptions Action<IServiceProvider, EFCoreObjectSpaceProviderOptionsBuilder>

Options that allow you to configure the Object Space Provider.

Type Parameters

Name Description
TContext

The IBlazorApplicationBuilder type.

Returns

Type Description
DbContextServiceBasedBuilder<TContext>

Allows you to register and configure Object Space Providers in your application, and chain further provider registrations.

Remarks

This method must be used together with one of the following methods:

The following example demonstrates how to use the AddEFCore method:

File: MySolution.Blazor.Server\Startup.cs.

using DevExpress.ExpressApp.ApplicationBuilder;
using DevExpress.ExpressApp.Blazor.ApplicationBuilder;
// ...
public class Startup {
   // ...
    public void ConfigureServices(IServiceCollection services) {
        // ...
        services.AddXaf(Configuration, builder => {
            builder.UseApplication<MySolutionBlazorApplication>();
            builder.ObjectSpaceProviders
                .AddEFCore(options => options.PreFetchReferenceProperties())
                .WithDbContext<MySolutionEFCoreDbContext>((serviceProvider, options) => {
                    // ...
                })
                .AddNonPersistent();
        });
        // ...
    }
}
See Also