ASP.NET Core 2.1 Routing - CreatedAtRoute - No route matches the supplied values

Question

I have the following situation

[Route("api/[controller]")]
[ApiController]
public class FooController: ControllerBase
{
    [HttpGet("{id}", Name = "GetFoo")]
    public ActionResult<FooBindModel> Get([FromRoute]Guid id)
    {
        // ...
    }
}

[Route("api/[controller]")]
[ApiController]
public class Foo2Controller: ControllerBase
{

    [HttpPost("/api/Foo2/Create")]
    public ActionResult<GetFooBindModel> Create([FromBody]PostFooBindModel postBindModel)
    {
        //...
        return CreatedAtRoute("GetFoo", new { id = getBindModel.Id }, getBindModel);

    }
}

PS: getBindModel is an instance of type GetFooBindModel. And I am getting

InvalidOperationException: No route matches the supplied values.

I also tried changing the line

return CreatedAtRoute("GetFoo", new { id = getBindModel.Id }, getBindModel);

to

return CreatedAtRoute("api/Foo/GetFoo", new { id = getBindModel.Id }, getBindModel);

but still the same error.

Answer 1

Match the name of your action method (Get) in the FooController with the route name on HttpGet Attribute. You can use the nameof keyword in c#:

[HttpGet("{id}", Name = nameof(Get))]
public ActionResult<FooBindModel> Get([FromRoute]Guid id)
{
          ...
}

and also Instead of hard coding route name use nameof again:

return CreatedAtRoute(nameof(FooController.Get), new { id = getBindModel.Id }, getBindModel);

and Try again;