How do route parameters work in ASP.NET Core?

How do route parameters work in ASP.NET Core?

In ASP.NET Core, route parameters are used to capture values from the URL. They are defined in the route template.

Can you give me an example of defining route parameters?

Sure! You can define a route with parameters like this: app.MapGet("/products/{id}", (int id) => { ... }); This captures the id from the URL.

What if I want to make a parameter optional?

You can make a parameter optional by using a question mark in the route template, like this: app.MapGet("/products/{id?}", ...);.

Are there any restrictions on route parameter names?

Yes, route parameter names must start with a letter and can contain letters, numbers, and underscores.