How to implement multiple Get methods in WebApi

Question

Here I'm Trying to implement multiple Get methods but the browser througs an error Multiple actions were found that match the request. Why does this happen?

In the Api Controller I added two methods: 1. GetEmployee 2. HelloDept If I comment out one of them it's working fine.

    public class TrailController : ApiController
    {
        private IProduct Repo = new Product();

        [HttpGet]
        public IEnumerable<Employee> GetEmployee()

        {
            var x = Repo.GetEmp();
            return x;

        }
        [HttpGet]
        public IEnumerable<Department> HelloDept()

        {
            var x = Repo.GetDept();
            return x;

          }

RouteConfig.cs

public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                name: "Default",
                url: "{api}/{controller}/{action}/{id}",
             //   defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
                defaults: new {id = RouteParameter.Optional }


            );

Community · Accepted Answer · 2017-05-23 10:30:37Z

1

Change your code in RouteConfig.cs.

From:

routes.MapRoute(
            name: "Default",
            url: "{api}/{controller}/{action}/{id}",
         //   defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            defaults: new {id = RouteParameter.Optional }


        );

To:

routes.MapHttpRoute(
name: "API Default",
routeTemplate: "api/{controller}/{action}/{id}",
defaults: new { id = RouteParameter.Optional });

Also, refer this- Difference between "MapHttpRoute" and "MapRoute"?

edited May 23, 2017 at 10:30

CommunityBot

11 silver badge

answered Jan 5, 2017 at 11:37

Souvik Ghosh

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Comments

Amit Kumar Ghosh · Accepted Answer · 2017-01-05 08:11:58Z

0

In Your WebApiConfig.cs change

`api/{controller}/{id}`

with

`api/{controller}/{action}/{id}`.

Then call the actions like -

http://localhost:port/api/controller/HelloDept
http://localhost:port/api/controller/GetEmployee


public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.MapHttpAttributeRoutes();

        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{action}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );
    }
}

edited Jan 5, 2017 at 8:11

answered Jan 5, 2017 at 7:37

Amit Kumar Ghosh

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6 Comments

user7360479 Over a year ago

i make changes but no Results Same Error

user7360479 Over a year ago

Multiple actions were found that match the request: GetEmployee on type Application.Api.Controllers.TrailController GetById on type Application.Api.Controllers.TrailController HelloDept on type Application.Api.Controllers.TrailController

user7360479 Over a year ago

i make changes in Edit

Amit Kumar Ghosh Over a year ago

it should be api and not {api}. one more thing, you're using ApiController, but what you posted is a route for mvc.You sure you looking at right place? It should be an HttpRoute in the WebAPiConfig.cs.

user7360479 Over a year ago

i did change also Even no Result...Wil u come on my Teamviewr

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