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Clarifications around ConfigureAll and named options (#8869)

pull/8873/head
Andrew Lock 2018-10-05 23:56:24 +01:00 committed by Luke Latham
parent 29c39626cd
commit 834faab848
1 changed files with 5 additions and 3 deletions
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aspnetcore/fundamentals/configuration/options.md
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@ -102,7 +102,7 @@ In the following code, a second `IConfigureOptions<TOptions>` service is added t
[!code-csharp[](options/sample/Pages/Index.cshtml.cs?name=snippet_Example2)]
You can add multiple configuration providers. Configuration providers are available in NuGet packages. They're applied in order that they're registered.
You can add multiple configuration providers. Configuration providers are available in NuGet packages. They're applied in the order that they're registered.
Each call to [Configure&lt;TOptions&gt;](/dotnet/api/microsoft.extensions.options.iconfigureoptions-1.configure) adds an `IConfigureOptions<TOptions>` service to the service container. In the preceding example, the values of `Option1` and `Option2` are both specified in *appsettings.json*, but the values of `Option1` and `Option2` are overridden by the configured delegate.
@ -244,7 +244,9 @@ named_options_2: option1 = named_options_2_value1_from_action, option2 = 5
* The `named_options_2` delegate in `ConfigureServices` for `Option1`.
* The default value for `Option2` provided by the `MyOptions` class.
Configure all named options instances with the [OptionsServiceCollectionExtensions.ConfigureAll](/dotnet/api/microsoft.extensions.dependencyinjection.optionsservicecollectionextensions.configureall) method. The following code configures `Option1` for all named configuration instances with a common value. Add the following code manually to the `Configure` method:
## Configure all options with the ConfigureAll method
Configure all options instances with the [OptionsServiceCollectionExtensions.ConfigureAll](/dotnet/api/microsoft.extensions.dependencyinjection.optionsservicecollectionextensions.configureall) method. The following code configures `Option1` for all configuration instances with a common value. Add the following code manually to the `Configure` method:
```csharp
services.ConfigureAll<MyOptions>(myOptions =>
@ -347,7 +349,7 @@ services.PostConfigure<MyOptions>("named_options_1", myOptions =>
});
```
Use [PostConfigureAll&lt;TOptions&gt;](/dotnet/api/microsoft.extensions.dependencyinjection.optionsservicecollectionextensions.postconfigureall) to post-configure all named configuration instances:
Use [PostConfigureAll&lt;TOptions&gt;](/dotnet/api/microsoft.extensions.dependencyinjection.optionsservicecollectionextensions.postconfigureall) to post-configure all configuration instances:
```csharp
services.PostConfigureAll<MyOptions>(myOptions =>