How to use System.Net.HttpClient to post a complex type?

Question

I have a custom complex type that I want to work with using Web API.

public class Widget
{
    public int ID { get; set; }
    public string Name { get; set;         


        

Answer 1

The generic HttpRequestMessage has been removed. This :

new HttpRequestMessage(widget)

will no longer work.

Instead, from this post, the ASP.NET team has included some new calls to support this functionality:

HttpClient.PostAsJsonAsync(T value) sends “application/json”
HttpClient.PostAsXmlAsync(T value) sends “application/xml”

So, the new code (from dunston) becomes:

Widget widget = new Widget()
widget.Name = "test"
widget.Price = 1;

HttpClient client = new HttpClient();
client.BaseAddress = new Uri("http://localhost:44268");
client.PostAsJsonAsync("api/test", widget)
    .ContinueWith((postTask) => postTask.Result.EnsureSuccessStatusCode() );