Created Method for ASP.Net Web api

Controller.cs

    return CreatedAtRoute("DefaultApi", new { id = test.TestId }, test);
    string url = Url.Link("DefaultApi", new { id = test.TestId });
    return Created(url, test);
    
    //For Route Attirbutes        
    
    [Route("api/books/{id}", Name="GetBookById")]
    public BookDto GetBook(int id) 
    {
        // Implementation not shown...
    }

    [Route("api/books")]
    public HttpResponseMessage Post(Book book)
    {
        // Validate and add book to database (not shown)

        var response = Request.CreateResponse(HttpStatusCode.Created);

        // Generate a link to the new book and set the Location header in the response.
        string uri = Url.Link("GetBookById", new { id = book.BookId });
        response.Headers.Location = new Uri(uri);
        return response;
    }