how to get route url in contoller method in C# code example

Example 1: route attribute controller with parameter asp.net core

[Route("/api/v1/{foo}")]
public class MyController : Controller
{
	public async Task<IActionResult> MyEndpoint(int foo) { }
}

Example 2: change dot net core web api routing

app.UseEndpoints(endpoints =>
{
    endpoints.MapControllerRoute(
        name: "default",
        pattern: "{controller=Home}/{action=Index}/{id?}");
});