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Update to ASP.net Configuration page (#23369) 

Co-authored-by: Kirk Larkin <6025110+serpent5@users.noreply.github.com>
pull/24033/head
John Surina 2021-11-23 05:35:35 -05:00 committed by GitHub
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10
aspnetcore/fundamentals/configuration/index.md
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@ -774,6 +774,14 @@ The following code shows how to use the custom `EFConfigurationProvider` in *Pro
[!code-csharp[](index/samples_snippets/6.x/EfconfigSample/Program.cs?highlight=5-6)] [!code-csharp[](index/samples_snippets/6.x/EfconfigSample/Program.cs?highlight=5-6)]
## Access configuration with Dependency Injection (DI)
Configuration can be injected into services using [Dependency Injection (DI)](xref:fundamentals/dependency-injection) by resolving the <xref:Microsoft.Extensions.Configuration.IConfiguration> service:
[!code-csharp[](index/samples/6.x/ConfigSample/Service.cs?name=snippet_Class&highlight=5-6)]
For information on how to access values using `IConfiguration`, see [GetValue](#getvalue) and [GetSection, GetChildren, and Exists](#getsection-getchildren-and-exists) in this article.
## Access configuration in Razor Pages ## Access configuration in Razor Pages
The following code displays configuration data in a Razor Page: The following code displays configuration data in a Razor Page:
@ -1451,7 +1459,7 @@ In the preceding environment variable, `Https` is the name of the Kestrel specif
## GetValue ## GetValue
[`ConfigurationBinder.GetValue<T>`](xref:Microsoft.Extensions.Configuration.ConfigurationBinder.GetValue*) extracts a single value from configuration with a specified key and converts it to the specified type: [`ConfigurationBinder.GetValue<T>`](xref:Microsoft.Extensions.Configuration.ConfigurationBinder.GetValue*) extracts a single value from configuration with a specified key and converts it to the specified type. This method is an extension method for <xref:Microsoft.Extensions.Configuration.IConfiguration>:
[!code-csharp[](index/samples/3.x/ConfigSample/Pages/TestNum.cshtml.cs?name=snippet)] [!code-csharp[](index/samples/3.x/ConfigSample/Pages/TestNum.cshtml.cs?name=snippet)]

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aspnetcore/fundamentals/configuration/index/samples/6.x/ConfigSample/Service.cs 100644
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@ -0,0 +1,21 @@
using Microsoft.Extensions.Configuration;
namespace ConfigSample
{
#region snippet_Class
public class Service
{
private readonly IConfiguration _config;
public Service(IConfiguration config) =>
_config = config;
public void DoSomething()
{
var configSettingValue = _config["ConfigSetting"];
// ...
}
}
#endregion
}