Asp net core 7 0 razor pages create dynamic routes

Introduction

ASP.NET is a popular programming language used for building web applications. It provides a framework for developing dynamic and web services. In this article, we will explore how to create dynamic routes in ASP.NET Core 7.0 Razor Pages.

What are Dynamic Routes?

Dynamic routes us to create URLs that are generated based on the data provided by the user or retrieved from a database. This is useful when we want to create SEO-friendly URLs or when we need to handle different types of dynamically.

Creating Dynamic Routes in ASP.NET Core 7.0 Razor Pages

To create dynamic routes in ASP.NET Core 7.0 Razor Pages, we can use the routing provided by the framework. The routing system maps incoming requests to the appropriate Razor Page based on the URL .

Let's consider an example where we want to create dynamic routes for blog posts. Each blog post will have a unique identifier, and we want the URL to include this identifier.


// Startup.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddRazorPages();
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    app.UseRouting();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapRazorPages();
    });
}

In the above code snippet, we have configured the routing system in the Startup.cs file. We have Razor Pages using the AddRazorPages() method and mapped the Razor Pages using the MapRazorPages() method.

Now, let's create a Razor Page for displaying a blog post.


// BlogPost..cs

public class BlogPostModel : PageModel
{
    public string PostId { get; set; }

    public void OnGet(string postId)
    {
        PostId = postId;
    }
}

In the above code snippet, we have created a BlogPostModel class that inherits from the PageModel class. We have a property called PostId, which will store the unique identifier of the blog post. In the OnGet() method, we are assigning the value of the postId parameter to the PostId property.

Now, let's update the routing configuration to include the dynamic route for the blog post.


// Startup.cs

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    app.UseRouting();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapRazorPages();

        endpoints.MapRazorPages( =>
        {
            options.Conventions.AddPageRoute("/BlogPost", "/blog/{postId}");
        });
    });
}

In the above code snippet, we have added a new route using the MapRazorPages() method. We have used the AddPageRoute() method to specify the URL pattern for the blog post route. The {postId} placeholder will be replaced with the identifier of the blog post.

Conclusion

In this article, we have learned how to create dynamic routes in ASP.NET Core 7.0 Razor Pages. Dynamic routes allow us to generate URLs based on user or data retrieved from a database. By using the routing system provided by ASP.NET Core, we can easily handle different types of content dynamically and create SEO-friendly URLs.

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