Fix inconsistent and incorrect code language names (#35145)

Author: benhopkinstech

aspnetcore/fundamentals/minimal-apis/handle-errors/includes/handle-errors7.md

@@ -11,7 +11,7 @@ In a Minimal API app, there are two different built-in centralized mechanisms to
 
 This section refers to the following Minimal API app to demonstrate ways to handle exceptions. It throws an exception when the endpoint `/exception` is requested:
 
-``` csharp
+```csharp
 var builder = WebApplication.CreateBuilder(args);
 var app = builder.Build();
 
@@ -65,7 +65,7 @@ In non-development environments, use the [Exception Handler Middleware](xref:fun
 For example, the following code changes the app to respond with an [RFC 7807](https://tools.ietf.org/html/rfc7807)-compliant payload to the client. For more information, see [Problem Details](#problem-details) section.
 
 
-``` csharp
+```csharp
 var builder = WebApplication.CreateBuilder(args);
 var app = builder.Build();
 
@@ -84,7 +84,7 @@ app.Run();
 
 Consider the following Minimal API app.
 
-``` csharp
+```csharp
 var builder = WebApplication.CreateBuilder(args);
 var app = builder.Build();
 
@@ -103,7 +103,7 @@ The [`Status Code Pages middleware`](xref:fundamentals/error-handling#sestatusco
 
 For example, the following example changes the app to respond with an [RFC 7807](https://tools.ietf.org/html/rfc7807)-compliant payload to the client for all client and server responses, including routing errors (for example, `404 NOT FOUND`). For more information, see the [Problem Details](#problem-details) section.
 
-``` csharp
+```csharp
 var builder = WebApplication.CreateBuilder(args);
 var app = builder.Build();
 
@@ -127,7 +127,7 @@ Minimal API apps can be configured to generate problem details response for all
 
 The following code configures the app to generate problem details:
 
-``` csharp
+```csharp
 var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddProblemDetails();
 

aspnetcore/fundamentals/servers/httpsys.md

@@ -76,7 +76,7 @@ The preceding Windows 11 Build versions may require the use of a [Windows Inside
 
 HTTP/3 is discovered as an upgrade from HTTP/1.1 or HTTP/2 via the `alt-svc` header. That means the first request will normally use HTTP/1.1 or HTTP/2 before switching to HTTP/3. Http.Sys doesn't automatically add the `alt-svc` header, it must be added by the application. The following code is a middleware example that adds the `alt-svc` response header.
 
-```C#
+```csharp
 app.Use((context, next) =>
 {
     context.Response.Headers.AltSvc = "h3=\":443\"";

aspnetcore/fundamentals/servers/httpsys/includes/httpsys5-7.md

@@ -60,7 +60,7 @@ The preceding Windows 11 Build versions may require the use of a [Windows Inside
 
 HTTP/3 is discovered as an upgrade from HTTP/1.1 or HTTP/2 via the `alt-svc` header. That means the first request will normally use HTTP/1.1 or HTTP/2 before switching to HTTP/3. Http.Sys doesn't automatically add the `alt-svc` header, it must be added by the application. The following code is a middleware example that adds the `alt-svc` response header.
 
-```C#
+```csharp
 app.Use((context, next) =>
 {
     context.Response.Headers.AltSvc = "h3=\":443\"";

aspnetcore/fundamentals/servers/yarp/authn-authz.md

@@ -23,7 +23,7 @@ No authentication or authorization is performed on requests unless enabled in th
 Authorization policies can be specified per route via [RouteConfig.AuthorizationPolicy](xref:Yarp.ReverseProxy.Configuration.RouteConfig) and can be bound from the `Routes` sections of the config file. As with other route properties, this can be modified and reloaded without restarting the proxy. Policy names are case insensitive.
 
 Example:
-```JSON
+```json
 {
   "ReverseProxy": {
     "Routes": {

aspnetcore/fundamentals/servers/yarp/config-files.md

@@ -17,7 +17,7 @@ The reverse proxy can load configuration for routes and clusters from files usin
 
 ## Loading Configuration
 To load the proxy configuration from IConfiguration add the following code in Program.cs:
-```c#
+```csharp
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -42,13 +42,13 @@ Configuration can be modified during the load sequence using [Configuration Filt
 ## Multiple Configuration Sources
 As of 1.1, YARP supports loading the proxy configuration from multiple sources. LoadFromConfig may be called multiple times referencing different IConfiguration sections or may be combine with a different config source like InMemory. Routes can reference clusters from other sources. Note merging partial config from different sources for a given route or cluster is not supported.
 
-```c#
+```csharp
 services.AddReverseProxy()
     .LoadFromConfig(Configuration.GetSection("ReverseProxy1"))
     .LoadFromConfig(Configuration.GetSection("ReverseProxy2"));
 ```
 or
-```c#
+```csharp
 
 services.AddReverseProxy()
     .LoadFromMemory(routes, clusters)
@@ -62,7 +62,7 @@ File-based configuration is dynamically mapped to the types in [Yarp.ReverseProx
 The configuration consists of a named section that you specified above via `Configuration.GetSection("ReverseProxy")`, and contains subsections for routes and clusters.
 
 Example:
-```JSON
+```json
 {
   "ReverseProxy": {
     "Routes": {
@@ -105,7 +105,7 @@ The clusters section is an unordered collection of named clusters. A cluster pri
 For additional fields see [ClusterConfig](xref:Yarp.ReverseProxy.Configuration.ClusterConfig).
 
 ## All config properties
-```JSON
+```json
 {
   // Base URLs the server listens on, must be configured independently of the routes below
   "Urls": "http://localhost:5000;https://localhost:5001",

aspnetcore/fundamentals/servers/yarp/config-filters.md

@@ -25,7 +25,7 @@ Filters can be used for a variety of purposes such as:
 ## AddConfigFilter
 Configuration filters are registered in the Dependency Injection system using the [AddConfigFilter](xref:Microsoft.Extensions.DependencyInjection.ReverseProxyServiceCollectionExtensions) API. Any number of unique filters can be added and will be applied in the order added.
 
-```C#
+```csharp
 // Load the configuration and register a config filter
 services.AddReverseProxy()
     .LoadFromConfig(_configuration.GetSection("ReverseProxy"))
@@ -39,7 +39,7 @@ Filters are called for each route and cluster each time configuration is loaded
 
 This example fills in destination addresses from environment variables and sets the route's Order field to 1.
 
-```C#
+```csharp
 using System;
 using System.Collections.Generic;
 using System.Text.RegularExpressions;

aspnetcore/fundamentals/servers/yarp/cors.md

@@ -23,7 +23,7 @@ The requests won't be automatically matched for cors preflight requests unless e
 CORS policies can be specified per route via [RouteConfig.CorsPolicy](xref:Yarp.ReverseProxy.Configuration.RouteConfig) and can be bound from the `Routes` sections of the config file. As with other route properties, this can be modified and reloaded without restarting the proxy. Policy names are case insensitive.
 
 Example:
-```JSON
+```json
 {
   "ReverseProxy": {
     "Routes": {

aspnetcore/fundamentals/servers/yarp/dests-health-checks.md

@@ -19,7 +19,7 @@ YARP can proactively monitor destination health by sending periodic probing requ
 There are several cluster-wide configuration settings controlling active health checks that can be set either in the config file or in code. A dedicated health endpoint can also be specified per destination.
 
 #### File example
-```JSON
+```json
 "Clusters": {
   "cluster1": {
     "HealthCheck": {
@@ -49,7 +49,7 @@ There are several cluster-wide configuration settings controlling active health
 ```
 
 #### Code example
-```C#
+```csharp
 var clusters = new[]
 {
     new ClusterConfig()
@@ -132,7 +132,7 @@ There are 2 main extensibility points in the active health check subsystem.
 
 The below is a simple example of a custom `IActiveHealthCheckPolicy` marking destination as `Healthy`, if a successful response code was returned for a probe, and as `Unhealthy` otherwise.
 
-```C#
+```csharp
 public class FirstUnsuccessfulResponseHealthPolicy : IActiveHealthCheckPolicy
 {
     private readonly IDestinationHealthUpdater _healthUpdater;
@@ -169,13 +169,13 @@ public class FirstUnsuccessfulResponseHealthPolicy : IActiveHealthCheckPolicy
 
 The default `IProbingRequestFactory` uses the same `HttpRequest` configuration as proxy requests, to customize that implement your own `IProbingRequestFactory` and register it in DI like the below.
 
-```C#
+```csharp
 services.AddSingleton<IProbingRequestFactory, CustomProbingRequestFactory>();
 ```
 
 The below is a simple example of a customer `IProbingRequestFactory` concatenating `DestinationConfig.Address` and a fixed health probe path to create the probing request URI.
 
-```C#
+```csharp
 public class CustomProbingRequestFactory : IProbingRequestFactory
 {
     public HttpRequestMessage CreateRequest(ClusterConfig clusterConfig, DestinationConfig destinationConfig)
@@ -196,7 +196,7 @@ There is one important difference from the active health check logic. Once a des
 There are several cluster-wide configuration settings controlling passive health checks that can be set either in the config file or in code.
 
 #### File example
-```JSON
+```json
 "Clusters": {
   "cluster1": {
     "HealthCheck": {
@@ -222,7 +222,7 @@ There are several cluster-wide configuration settings controlling passive health
 ```
 
 #### Code example
-```C#
+```csharp
 var clusters = new[]
 {
     new ClusterConfig()
@@ -252,7 +252,7 @@ Passive health check settings are specified on the cluster level in `Cluster/Hea
 
 Passive health checks require the `PassiveHealthCheckMiddleware` added into the pipeline for them to work. The default `MapReverseProxy(this IEndpointRouteBuilder endpoints)` method does it automatically, but in case of a manual pipeline construction the [UsePassiveHealthChecks](xref:Microsoft.AspNetCore.Builder.AppBuilderHealthExtensions) method must be called to add that middleware as shown in the example below.
 
-```C#
+```csharp
 endpoints.MapReverseProxy(proxyPipeline =>
 {
     proxyPipeline.UseAffinitizedDestinationLookup();
@@ -279,7 +279,7 @@ Global parameters are set via the options mechanism using `TransportFailureRateH
 - `DefaultFailureRateLimit` - default failure rate limit for a destination to be marked as unhealthy that is applied if it's not set on a cluster's metadata. The value is in range `(0,1)`. Default is `0.3` (30%).
 
 Global policy options can be set in code as follows:
-```C#
+```csharp
 services.Configure<TransportFailureRateHealthPolicyOptions>(o =>
 {
     o.DetectionWindowSize = TimeSpan.FromSeconds(30);
@@ -318,7 +318,7 @@ There is one main extensibility point in the passive health check subsystem, the
 
 The below is a simple example of a custom `IPassiveHealthCheckPolicy` marking destination as `Unhealthy` on the first unsuccessful response to a proxied request.
 
-```C#
+```csharp
 public class FirstUnsuccessfulResponseHealthPolicy : IPassiveHealthCheckPolicy
 {
     private static readonly TimeSpan _defaultReactivationPeriod = TimeSpan.FromSeconds(60);
@@ -355,7 +355,7 @@ Destinations health state is used to determine which of them are eligible for re
 
 ### Configuration
 #### File example
-```JSON
+```json
 "Clusters": {
   "cluster1": {    
     "HealthCheck": {
@@ -377,7 +377,7 @@ Destinations health state is used to determine which of them are eligible for re
 ```
 
 #### Code example
-```C#
+```csharp
 var clusters = new[]
 {
     new ClusterConfig()

aspnetcore/fundamentals/servers/yarp/diagnosing-yarp-issues.md

@@ -114,7 +114,7 @@ The [Metrics sample](https://github.com/microsoft/reverse-proxy/tree/main/sample
 
 To use either of these, create a class implementing a [`Yarp.Telemetry.Consumption` interface](xref:Yarp.Telemetry.Consumption#interfaces), such as <xref:Yarp.Telemetry.Consumption.IForwarderTelemetryConsumer>:
 
-```C#
+```csharp
 public class ForwarderTelemetry : IForwarderTelemetryConsumer
 {
     /// Called before forwarding a request.

aspnetcore/fundamentals/servers/yarp/direct-forwarding.md

@@ -45,7 +45,7 @@ In this example the IHttpForwarder is registered in DI, injected into the endpoi
 
 The optional transforms show how to copy all request headers except for the `Host`, it's common that the destination requires its own `Host` from the url.
 
-```C#
+```csharp
 using System;
 using System.Diagnostics;
 using System.Net;
@@ -136,7 +136,7 @@ internal class CustomTransformer : HttpTransformer
 
 There are also [extension methods](xref:Microsoft.AspNetCore.Builder.DirectForwardingIEndpointRouteBuilderExtensions) available that simplify the mapping of IHttpForwarder to endpoints.
 
-```C#
+```csharp
 app.MapForwarder("/{**catch-all}", "https://localhost:10000/", requestConfig, transformer, httpClient);
 ```