What is the use of IApplicationBuilder?
Adds the TwitterMiddleware middleware to the specified IApplicationBuilder, which enables Twitter authentication capabilities. Adds a middleware delegate defined in-line to the application’s request pipeline. If you aren’t calling the next function, use Run(IApplicationBuilder, RequestDelegate) instead.
What is a request delegate?
Request delegates are used to build the request pipeline. The request delegates handle each HTTP request. Request delegates are configured using Run, Map, and Use extension methods.
What is IHostingEnvironment?
The IHostingEnvironment is an interface for . Net Core 2.0. The IHostingEnvironment interface need to be injected as dependency in the Controller and then later used throughout the Controller. The IHostingEnvironment interface have two properties.
How do Razor pages work?
Razor Pages focus on page-based scenarios for building web applications rather than using controllers and views like a traditional ASP.NET MVC application. Once the application receives an HTTP request, it moves through the middleware pipeline until it reaches a middleware component that can handle and process it.
What is the difference between IApplicationBuilder use () and IApplicationBuilder run?
Use() and IApplicationBuilder. Run() C# Asp.net Core? We can configure middleware in the Configure method of the Startup class using IApplicationBuilder instance. Run() is an extension method on IApplicationBuilder instance which adds a terminal middleware to the application’s request pipeline.
What is a request pipeline?
The Request Pipeline is the mechanism by which requests are processed beginning with a Request and ending with a Response. The pipeline specifies how the application should respond to the HTTP request. The Request arriving from the browser goes through the pipeline and back.
What is the difference between IApplicationBuilder use () and IApplicationBuilder run ()?
What is Webrootpath?
The content root path is the absolute path to the directory that contains the application content files. The web root path is the absolute path to the directory that contains the web-servable application content files.
What is IWebHostEnvironment?
IWebHostEnvironment Provides information about the web hosting environment an application is running in. belongs to namespace Microsoft.AspNetCore.Hosting. The IWebHostEnvironment interface need to be injected as dependency in the Controller and then later used throughout the Controller.
Is Razor pages a framework?
Razor Pages is the recommended framework for cross-platform server-side HTML generation. Razor Pages makes use of the popular C# programming language for server-side programming, and the easy-to-learn Razor templating syntax for embedding C# in HTML mark-up to generate content for browsers dynamically.
When should I use Razor pages?
From the docs, “Razor Pages can make coding page-focused scenarios easier and more productive than using controllers and views.” If your ASP.NET MVC app makes heavy use of views, you may want to consider migrating from actions and views to Razor Pages.
How do you resolve Cors issue in .NET Core?
To enable CORS in ASP.Net Core Web API, these are the steps we need to follow,
- Install the CORS middleware.
- Register CORS middleware to the pipeline in the ConfigureServices method of Startup. cs.
- Enable CORS in the Configure method of Startup. cs.
- Enable/Disable CORS in the controllers, the action methods, or globally.
What is difference between middleware and filters in .NET Core?
Middlewares run on every request, regardless of which controller or action is called. Filters have full access to the MVC context , meaning that we have access to the: routing data, current controller, ModelState, etc. For example, we could create a filter that validates the input model.
What is ASP pipeline?
The pipeline is the general-purpose framework for server-side HTTP programming that serves as the foundation for ASP.NET pages as well as Web Services. To qualify as a serious ASP.NET developer, you must understand how the pipeline works.
What is the Webrootpath?
The web root path is the absolute path to the directory that contains the web-servable application content files.
What is UseDeveloperExceptionPage?
UseDeveloperExceptionPage(IApplicationBuilder) Captures synchronous and asynchronous Exception instances from the pipeline and generates HTML error responses.
Is Razor better than MVC?
What is difference between MVC and Razor pages?
Razor Page is similar to the HTML page but it loads data easily. A Razor Page is almost the same as ASP.NET MVC’s view component. It has basically the syntax and functionality same as MVC. The basic difference between Razor pages and MVC is that the model and controller code is also added within the Razor Page itself.
What is the advantage of Razor pages?
Advantages of Razor Pages: Flexibility to fit any application you want to build. It has specific codes behind individual pages and is more organized. Build web apps in less time just like you did in ASP.NET Webforms. It offers complete control over HTML and URLs both.