File-scoped namespaces

aspnetcore/blazor/components/cascading-values-and-parameters.md

@@ -124,12 +124,11 @@ Create an `ITab` interface that tabs implement in a folder named `UIInterfaces`.
 ```csharp
 using Microsoft.AspNetCore.Components;
 
-namespace BlazorSample.UIInterfaces
+namespace BlazorSample.UIInterfaces;
+
+public interface ITab
 {
-    public interface ITab
-    {
-        RenderFragment ChildContent { get; }
-    }
+    RenderFragment ChildContent { get; }
 }
 ```
 
@@ -368,12 +367,11 @@ Create an `ITab` interface that tabs implement in a folder named `UIInterfaces`.
 ```csharp
 using Microsoft.AspNetCore.Components;
 
-namespace BlazorSample.UIInterfaces
+namespace BlazorSample.UIInterfaces;
+
+public interface ITab
 {
-    public interface ITab
-    {
-        RenderFragment ChildContent { get; }
-    }
+    RenderFragment ChildContent { get; }
 }
 ```
 

aspnetcore/blazor/components/index.md

@@ -178,16 +178,15 @@ The following `Counter` component splits HTML and Razor markup from  C# code usi
 `Pages/CounterPartialClass.razor.cs`:
 
 ```csharp
-namespace BlazorSample.Pages
+namespace BlazorSample.Pages;
+
+public partial class CounterPartialClass
 {
-    public partial class CounterPartialClass
-    {
-        private int currentCount = 0;
+    private int currentCount = 0;
 
-        private void IncrementCount()
-        {
-            currentCount++;
-        }
+    private void IncrementCount()
+    {
+        currentCount++;
     }
 }
 ```
@@ -1938,16 +1937,15 @@ The following `Counter` component splits HTML and Razor markup from  C# code usi
 `Pages/CounterPartialClass.razor.cs`:
 
 ```csharp
-namespace BlazorSample.Pages
+namespace BlazorSample.Pages;
+
+public partial class CounterPartialClass
 {
-    public partial class CounterPartialClass
-    {
-        private int currentCount = 0;
+    private int currentCount = 0;
 
-        private void IncrementCount()
-        {
-            currentCount++;
-        }
+    private void IncrementCount()
+    {
+        currentCount++;
     }
 }
 ```

aspnetcore/blazor/file-uploads.md

@@ -288,15 +288,14 @@ The following `UploadResult` class in the **:::no-loc text="Shared":::** project
 :::moniker range=">= aspnetcore-6.0"
 
 ```csharp
-namespace BlazorSample.Shared
+namespace BlazorSample.Shared;
+
+public class UploadResult
 {
-    public class UploadResult
-    {
-        public bool Uploaded { get; set; }
-        public string? FileName { get; set; }
-        public string? StoredFileName { get; set; }
-        public int ErrorCode { get; set; }
-    }
+    public bool Uploaded { get; set; }
+    public string? FileName { get; set; }
+    public string? StoredFileName { get; set; }
+    public int ErrorCode { get; set; }
 }
 ```
 

aspnetcore/blazor/forms-and-input-components.md

@@ -772,6 +772,72 @@ The validation for the `Defense` ship classification only occurs server-side in
 
 `Controllers/StarshipValidation.cs`:
 
+:::moniker range=">= aspnetcore-6.0"
+
+```csharp
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using Microsoft.Identity.Web.Resource;
+using BlazorSample.Shared;
+
+namespace BlazorSample.Server.Controllers;
+
+[Authorize]
+[ApiController]
+[Route("[controller]")]
+public class StarshipValidationController : ControllerBase
+{
+    private readonly ILogger<StarshipValidationController> logger;
+
+    public StarshipValidationController(
+        ILogger<StarshipValidationController> logger)
+    {
+        this.logger = logger;
+    }
+
+    static readonly string[] scopeRequiredByApi = new[] { "API.Access" };
+
+    [HttpPost]
+    public async Task<IActionResult> Post(Starship starship)
+    {
+        HttpContext.VerifyUserHasAnyAcceptedScope(scopeRequiredByApi);
+
+        try
+        {
+            if (starship.Classification == "Defense" && 
+                string.IsNullOrEmpty(starship.Description))
+            {
+                ModelState.AddModelError(nameof(starship.Description),
+                    "For a 'Defense' ship " +
+                    "classification, 'Description' is required.");
+            }
+            else
+            {
+                logger.LogInformation("Processing the form asynchronously");
+
+                // Process the valid form
+                // async ...
+
+                return Ok(ModelState);
+            }
+        }
+        catch (Exception ex)
+        {
+            logger.LogError("Validation Error: {Message}", ex.Message);
+        }
+
+        return BadRequest(ModelState);
+    }
+}
+```
+
+:::moniker-end
+
+:::moniker range="< aspnetcore-6.0"
+
 ```csharp
 using System;
 using System.Threading.Tasks;
@@ -833,6 +899,8 @@ namespace BlazorSample.Server.Controllers
 }
 ```
 
+:::moniker-end
+
 If using the preceding controller in a hosted Blazor WebAssembly app, update the namespace (`BlazorSample.Server.Controllers`) to match the app's controllers namespace.
 
 When a model binding validation error occurs on the server, an [`ApiController`](xref:web-api/index) (<xref:Microsoft.AspNetCore.Mvc.ApiControllerAttribute>) normally returns a [default bad request response](xref:web-api/index#default-badrequest-response) with a <xref:Microsoft.AspNetCore.Mvc.ValidationProblemDetails>. The response contains more data than just the validation errors, as shown in the following example when all of the fields of the `Starfleet Starship Database` form aren't submitted and the form fails validation:

aspnetcore/blazor/globalization-localization.md

@@ -893,11 +893,10 @@ To create localization shared resources, adopt the following approach.
   `Localization/SharedResource.cs`:
 
   ```csharp
-  namespace BlazorSample.Localization
+  namespace BlazorSample.Localization;
+
+  public class SharedResource
   {
-      public class SharedResource
-      {
-      }
   }
   ```
 
@@ -1830,11 +1829,10 @@ To create localization shared resources, adopt the following approach.
   `Localization/SharedResource.cs`:
 
   ```csharp
-  namespace BlazorSample.Localization
+  namespace BlazorSample.Localization;
+
+  public class SharedResource
   {
-      public class SharedResource
-      {
-      }
   }
   ```
 

aspnetcore/blazor/host-and-deploy/multiple-hosted-webassembly.md

@@ -224,6 +224,26 @@ If you plan to serve pages from the server app, add an `Index` Razor page to the
 
 `Pages/Index.cshtml.cs`:
 
+:::moniker range=">= aspnetcore-6.0"
+
+```csharp
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace MultipleBlazorApps.Server.Pages;
+
+public class IndexModel : PageModel
+{
+    public void OnGet()
+    {
+    }
+}
+```
+
+:::moniker-end
+
+:::moniker range="< aspnetcore-6.0"
+
 ```csharp
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
@@ -239,6 +259,8 @@ namespace MultipleBlazorApps.Server.Pages
 }
 ```
 
+:::moniker-end
+
 > [!NOTE]
 > If the app requires additional Razor Pages assets, such as a layout, styles, scripts, and imports, obtain them from an app created from the Razor Pages project template. For more information, see <xref:razor-pages/index>.
 
@@ -259,6 +281,8 @@ If you plan to serve MVC views from the server app, add an `Index` view and a `H
 
 `Controllers/HomeController.cs`:
 
+:::moniker range=">= aspnetcore-6.0"
+
 ```csharp
 using Microsoft.AspNetCore.Mvc;
 
@@ -273,6 +297,27 @@ public class HomeController : Controller
 }
 ```
 
+:::moniker-end
+
+:::moniker range="< aspnetcore-6.0"
+
+```csharp
+using Microsoft.AspNetCore.Mvc;
+
+namespace MultipleBlazorApps.Server.Controllers
+{
+    public class HomeController : Controller
+    {
+        public IActionResult Index()
+        {
+            return View();
+        }
+    }
+}
+```
+
+:::moniker-end
+
 > [!NOTE]
 > If the app requires additional MVC assets, such as a layout, styles, scripts, and imports, obtain them from an app created from the MVC project template. For more information, see <xref:tutorials/first-mvc-app/start-mvc>.