How to create a routing in asp.net-core-webapi?

Question

I am trying to implement a basic routing in my .net core web api.

I have a controller like this:

[Route("api/[controller]")]
public class FooController : Controller
{
    //out of the box
    [HttpGet("[action]")] //get the list
    public IEnumerable<Foo> Get()
    {
      //omitted
    }

    //added: request detail request///
    [HttpGet("[action]/{fooid}")]
    public Foo Get(string fooid)
    {
      //omitted
    }
}

I trying to make the following routes work:

One for the details:

http://localhost:2724/api/Product/Get?fooid=myfoo1

And a general one for the listing:

http://localhost:2724/api/Product/Get

The problem is that the call with the ?fooid= ends up at the IEnumerable version and I can't seem to get it right.

I tried various syntactic variations to overcome this, e.g.: [HttpGet("{fooid}")] but this doesn't seem to help.

I know I can just rename the method, but I am doing this as an exercise.

I also know it's not done to ask for documentation, but any help on this matter is welcome.

I also tried to add a route:

app.UseMvc(routes =>
   {
       routes.MapRoute( //default
            name: "default",
            template: "{controller=Home}/{action=Index}/{id?}");

        routes.MapRoute(
            name: "fooid",
            template: "{controller=Home}/{action=Index}/{fooid?}");

        routes.MapSpaFallbackRoute(
            name: "spa-fallback",
            defaults: new { controller = "Home", action = "Index" });
    });

I tried some of the methods as described here, but no success.

Can you give me some directions?

c-sharpcorner.com/article/…

Mysterion
– Mysterion

2018-03-14 14:04:19 +00:00
Commented Mar 14, 2018 at 14:04 — Mysterion
– Mysterion, Commented Mar 14, 2018 at 14:04

Simply Ged · Accepted Answer · 2018-03-14 13:32:30Z

5

Your URL for the parameter version is incorrect. It needs to be the same as you have written in the HttpGet attribute e.g.

http://localhost:2724/api/Product/Get/myfoo1

If you do want the parameter to be passed as ?fooId=myFoo then you need to declare your method as:

[HttpGet("[action]")]
public Foo Get([FromUri]string fooId)
{
    ...
}

answered Mar 14, 2018 at 13:32

Simply Ged

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2 Comments

Stefan Over a year ago

Okay... that seems to fix it.Thank you.

Stefan Over a year ago

One side mark: n asp .net core 2, [FromUri] seems depricated. See: stackoverflow.com/questions/36974734/…

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