Asp net core register and configure controller manually

Introduction

ASP.NET is a popular programming language used for building web . In this article, we will discuss how to register and configure a controller manually in ASP.NET Core.

Registering a Controller

In ASP.NET Core, controllers are the built-in dependency injection (DI) container. To register a controller manually, you need to follow these :


// Startup.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddControllers();
    services.AddTransient();
}

In the above code, we are using the AddControllers() method to register all the controllers in our application. Additionally, we are using the AddTransient() method to register our controller, MyController.

Configuring a Controller

Once the controller is registered, we can configure it by specifying various attributes and settings. Let's take a look at an example:


// MyController.cs

[("api/[controller]")]
[ApiController]
public class MyController : ControllerBase
{
    [HttpGet]
    public IActionResult Get()
    {
        // Code to handle GET request
    }

    [HttpPost]
    public IActionResult Post()
    {
        // Code to handle POST request
    }
}

In the above code, we have decorated the MyController class with the [Route] and [ApiController] attributes. The [Route] specifies the route template for the controller, while the [ApiController] attribute enables automatic HTTP 400 responses for models.

the controller, we have defined two methods, Get() and Post(), which handle GET and POST requests respectively.

Conclusion

In this article, we have discussed how to register and configure a controller manually in ASP.NET Core. By following the steps mentioned above, you can easily register your controllers and configure them with the required attributes and settings.

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