[c#] Return HTML from ASP.NET Web API

How to return HTML from ASP.NET MVC Web API controller?

I tried the code below but got compile error since Response.Write is not defined:

public class MyController : ApiController
{
    [HttpPost]
    public HttpResponseMessage Post()
    {
        Response.Write("<p>Test</p>");
        return Request.CreateResponse(HttpStatusCode.OK);
    }
 }

This question is related to c# html asp.net-mvc asp.net-mvc-4 asp.net-web-api

The answer is


Starting with AspNetCore 2.0, it's recommended to use ContentResult instead of the Produce attribute in this case. See: https://github.com/aspnet/Mvc/issues/6657#issuecomment-322586885

This doesn't rely on serialization nor on content negotiation.

[HttpGet]
public ContentResult Index() {
    return new ContentResult {
        ContentType = "text/html",
        StatusCode = (int)HttpStatusCode.OK,
        Content = "<html><body>Hello World</body></html>"
    };
}

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