ASP.NET 8.0 (42)

Misc New Features

• Short Circuit

  Use MapShortCircuit or .ShortCircuit() to efficiently respond to a request without going through a middleware pipeline run.

• SlimBuilder

  WebApplication.CreateSlimBuilder creates WebApplicationBuilder with minimal configuration defaults.

• EmptyBuilder

  WebApplication.CreateEmptyBuilder creates WebApplicationBuilder with no built-in behavior.

What's new in Blazor 8

• QuickGrid One

  This sample demonstrates a simple usage of QuickGrid component displaying int, string, date, and boolean data types.

• RazorComponentOne

  This sample demonstrates a simple usage of Razor Component component in SSR (Server Side Rendering).

• RazorComponentTwo

  This sample demonstrates rendering a Razor Component from Minimal API via RazorComponentResult and passing data via a dictionary.

• RazorComponentThree

  This sample demonstrates rendering a Razor Component from Minimal API via RazorComponentResult and passing data via anonymous object.

• RazorComponentFour

  This sample demonstrates rendering a Razor Component using Html.RenderComponentAsync and passing data via anonymous object.

• RazorComponentFive

  This sample demonstrates rendering a Razor Component from a MVC Controller via RazorComponentResult and passing data via a dictionary.

• RazorComponentSix

  This sample demonstrates the new section functionality using SectionOutlet to mark a section and SectionContent to supply the content to a section.

• RazorComponentSeven

  This sample demonstrates a Razor Component Page SSR (Server Side Render) hosting Razor Component with Blazor Server Side (interactive) and Blazor Streaming Rendering.

• RazorComponentEight

  This sample demonstrates a Razor Component Page SSR (Server Side Render) hosting Razor Component with Blazor Web Assembly (interactive) and Blazor Streaming Rendering.

• RazorComponentNine

  This sample demostrates the new attribute [SupplyParameterFromQuery] that allows Blazor component to get values directly from query string.

• RazorComponentTen

  This sample demonstrates a Razor Component Page SSR that handle a POST form, hosts "number" component with with Streaming rendering and hosts "interactive" components backed by Blazor Web Assembly and Blazor Server.

• RazorComponentEleven

  This sample shows how to update the UI multiple times using StateHasChanged(); while in streaming rendering mode.

• RazorComponentTwelve

  This sample shows how to access HttpContext from a static Razor component.

• RazorComponentThirteen

  This sample shows how to use .AddAdditionalAssemblies to allow the a host project to discover Page components in a separate WASM project.

Blazor SSR Form Handling

• RazorFormHandlingOne

  This example shows how to perform automatic data binding for a form POST request using [SupplyParameterFromForm]. We will use normal <form> tag in this case.

• RazorFormHandlingTwo

  This example shows how to perform automatic data binding for a form POST request using <EditForm/> and [SupplyParameterFromForm].

• RazorFormHandlingThree

  This example shows how to perform multiple automatic data binding for a form POST request using [SupplyParameterFromForm]. We will use normal <form> tag in this case.

• RazorFormHandlingFour

  This example shows how to perform multiple automatic data binding for a form POST request using <EditForm/> and [SupplyParameterFromForm].

• RazorFormHandlingFive

  This example shows how to perform data validation using DataAnnotationsValidator and EditForm.

Mix and Match Blazor SSR with existing tech

• RazorMixMatchOne

  This example shows how to use Blazor SSR with MVC in the same system.

• RazorMixMatchTwo

  This example shows how to use Blazor SSR with Razor Pages in the same system.

• RazorMixMatchThree

  This example shows how to use Blazor SSR with Minimal API in the same system.

• RazorMixMatchFour

  This example shows how to use Blazor SSR with MVC, Razor Pages and Minimal API in the same system.

Blazor Component Model Improvements

• ComponentTwentyThree

  This sample shows how to set root level cascading values without using <CascadingValue/> component.

• ComponentTwentyFour

  This sample shows how to set root level named cascading values without using <CascadingValue/> component.

• ComponentTwentyFive

  This sample shows how to set root level dynamic cascading values using CascadingValueSource.

• ComponentTwentySix

  This sample shows how to set root level named dynamic cascading values using CascadingValueSource.

• ComponentTwentySeven

  This sample shows how to use [Inject(Key)] in consuming keyed services.

Minimal API Improvements

• Minimal API Form Model Binding

  This sample demonstrates the ability to use [FromForm] binding in Minimal API.

Request Timeout

• Request Timeout

  This sample demonstrates how to configure a request timeout in Minimal API.

• Request Timeout Policy

  Trigger exception on a timeout using HttpContext.RequestAborted.ThrowIfCancellationRequested() on a timeout that was specified using a named policy in Minimal API.

• Request Timeout Policy

  Trigger exception on a timeout using HttpContext.RequestAborted.ThrowIfCancellationRequested() on a default timeout policy in Minimal API.

• Request Timeout

  Use RequestTimeout attribute in an MVC controller to specify when timeout is trigerred.

• Request Timeout

  Use RequestTimeout attribute in an MVC controller to use a named policy.

• Request Timeout

  Use default timeout policy in an MVC controller.

IExceptionHandler

• IExceptionHandler

  Implement IExceptionHandler to handle ASP.NET Core exceptions.

• Multiple IExceptionHandler

  Implement multiple IExceptionHandler to handle ASP.NET Core exceptions.

Keyed Services

• Keyed Services in Minimal API

  Use IServiceProvider.GetRequiredKeyedService<T>(key) to get different type of implementation instances based on string key in Minimal API

• Keyed Services in MVC

  Use IServiceProvider.GetRequiredKeyedService<T>(key) to get different type of implementation instances based on string key in MVC