daohualiuxiang
/
AspNetCore.Docs
mirror of https://github.com/dotnet/AspNetCore.Docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Change link destination (#13836)

pull/13838/head
Luke Latham 2019-08-14 15:55:53 -05:00 committed by GitHub
parent e164ebe0cd
commit 5ca44105d8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
aspnetcore/fundamentals/dependency-injection.md
View File

@ -5,7 +5,7 @@ description: Learn how ASP.NET Core implements dependency injection and how to u
monikerRange: '>= aspnetcore-2.1'
ms.author: riande
ms.custom: mvc
ms.date: 08/06/2019
ms.date: 08/14/2019
uid: fundamentals/dependency-injection
---
# Dependency injection in ASP.NET Core
@ -165,7 +165,7 @@ Transient lifetime services (<xref:Microsoft.Extensions.DependencyInjection.Serv
Scoped lifetime services (<xref:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddScoped*>) are created once per client request (connection).
> [!WARNING]
> When using a scoped service in a middleware, inject the service into the `Invoke` or `InvokeAsync` method. Don't inject via constructor injection because it forces the service to behave like a singleton. For more information, see <xref:fundamentals/middleware/index>.
> When using a scoped service in a middleware, inject the service into the `Invoke` or `InvokeAsync` method. Don't inject via constructor injection because it forces the service to behave like a singleton. For more information, see <xref:fundamentals/middleware/write#per-request-middleware-dependencies>.
### Singleton