how many way we can enable cors

Question

User264732274 posted
How to enable cors for full project and how to enable it for few action?

Answer 1

User1881638666 posted

Hi stupid_inn

You may go through this and check,

http://www.asp.net/web-api/overview/security/enabling-cross-origin-requests-in-web-api

Read the section 'Scope Rules for [EnableCors]'

So then you can find how to enable CORS, 

1. action level

2. controller level

3. globally

Thanks & Regards,

Wenushka

Answer 2

User36583972 posted

Hi  sudip_inn,

How to enable cors for full project

The following code to enable CORS across the API without annotating each controller

 public static class WebApiConfig
    {
        public static void Register(HttpConfiguration config)
        {   
            var corsAttr = new EnableCorsAttribute("http://example.com", "*", "*");
            config.EnableCors(corsAttr);
        }
    }

how to enable it for few action?

Firstly, you should enable CORS support in your Web API(add the Microsoft.AspNet.WebApi.Cors NuGet package to your project).

 public static class WebApiConfig
    {
        public static void Register(HttpConfiguration config)
        {   
            //------------
            config.EnableCors();
            //-----------
        }
    }

Then, you can add the [EnableCors] attribute to your Web API controller or controller method.

[EnableCors(origins: "http://example.com", headers: "*", methods: "*")]
public class TestController : ApiController
{
    // Controller methods not shown...
}

Best Regards,

Yohann Lu