Query string and attribute routing together for controller .NET core web API

Question

I trying to achieve something like this

namespace CoreAPI.Controllers
{
    [Route("api/[controller]")]
    public class ValuesController : Controller
    {
        // GET api/values

        // GET api/values/5
        [HttpGet("{id}")]
        public string Get(int id)
        {
            return "value";
        }

        [HttpGet]
        public string GetValue(string name,string surname)
        {
            return "Hello " + name;
        }
    }
}

I want to call this controller method by using both of these URLs:

Bernard Vander Beken · Accepted Answer · 2019-11-18 15:51:55Z

9

You can solve this by defining multiple routes on top of the controller method

[HttpGet("GetValues")]
[HttpGet("GetValues/{name}/{surname}")]
public string GetValue(string name, string surname)
{
    return "Hi" + name;
}

This will work with http://localhost:11979/api/values/GetValues/John/lawrance and http://localhost:11979/api/values/GetValues?name=john&surname=lawrance

To add more:

[HttpGet]
[Route("GetValues")]
[Route("GetValues/{name}/{surname}")]
public string GetValue(string name,string surname)
{
    return "Hello " + name + " " + surname;
}

This also works.

edited Nov 18, 2019 at 15:51

Bernard Vander Beken

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answered Sep 20, 2018 at 12:01

Marcus Höglund

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4 Comments

NETGeek Over a year ago

"You can do one or the other in asp.net core" - So we can't do two types of routing on the single method.

NETGeek Over a year ago

[HttpGet] [Route("GetValue")] [Route("GetValue/{name}/{surname}")] Adding route attribute also works for me.

Zeshan Munir Over a year ago

Can we enable the query string routing on Global level, like in Startup.cs?

Lee Z Over a year ago

In .Net Core 5, the querystring path is not working correctly. I am getting default values (i.e. empty strings) on the query string path

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