How can I convert this .NET RestSharp code to Microsoft.Net.Http HttpClient code?

Question

I'm trying to figure out how to use HttpClient to POST some simple parameters.

Email
Password

I've been doing this with RestSharp, but I'm trying to migrate off that.

How can I do this with HttpClient, please?

I have the following RestSharp code

var restRequest = new RestRequest("account/authenticate", Method.POST);
restRequest.AddParameter("Email", email);
restRequest.AddParameter("Password", password);

How can I convert that to use the (Microsoft.Net.Http) HttpClient class, instead?

Take note: I'm doing a POST

Also, this is with the PCL assembly.

Lastly, can I add in a custom header. Say: "ILikeTurtles", "true".

Both of your questions have been answered before, see [.NET HttpClient. How to POST string value?](http://stackoverflow.com/questions/15176538/net-httpclient-how-to-post-string-value) and [Adding Http Headers to HttpClient (ASP.NET Web API)](http://stackoverflow.com/questions/12022965/adding-http-headers-to-httpclient-asp-net-web-api). Try to use the search. — CodeCaster, Feb 16 '14 at 01:13
... hold on a second here. Are there really **three** `HttpClient` classes now? `System.Net.Http.HttpClient`, `Microsoft.Net.Http.HttpClient` and `Windows.Web.Http.HttpClient`? Really, Microsoft? Really? — Charles, Feb 16 '14 at 05:27
That's a really good question. I've only read about `Microsoft.Net.HttpClient` .. there really are -three- ?? — Pure.Krome, Feb 16 '14 at 22:34
@Charles There are two. System.Net.Http.HttpClient which is in the nuget package Microsoft.Net.Http and Windows.Web.HttpClient which is a native implementation. — Darrel Miller, Feb 17 '14 at 01:32
@Pure.Krome may i know why you decided to go with Microsoft.Net.HttpClient instead of RestSharp..The latters syntax seems to be more readable — Shaiju Janardhanan, May 26 '16 at 14:56

score 12 · Accepted Answer · answered Feb 16 '14 at 08:22

This should do it

var httpClient = new HttpClient();

httpClient.DefaultRequestHeaders.Add("ILikeTurtles", "true");

var parameters = new Dictionary<string, string>();
parameters["Email"] = "myemail";
parameters["Password"] = "password";

var result = await httpClient.PostAsync("http://www.example.com/", new FormUrlEncodedContent(parameters));

score 3 · Answer 2 · answered Apr 18 '15 at 16:44

If you're not opposed to using a library per se, as long as it's HttpClient under the hood, Flurl is another alternative. [disclaimer: I'm the author]

This scenario would look like this:

var result = await "http://www.example.com"
    .AppendPathSegment("account/authenticate")
    .WithHeader("ILikeTurtles", "true")
    .PostUrlEncodedAsync(new { Email = email, Password = password });

score 0 · Answer 3 · answered Feb 16 '14 at 00:43

This code isn't using HttpClient but it's using the System.Net.WebClient class, i guess it does the same thing though.

private static void Main(string[] args)
    {
        string uri = "http://www.example.com/";
        string email = "email@example.com";
        string password = "secret123";

        var client = new WebClient();

        // Adding custom headers
        client.Headers.Add("ILikeTurtles", "true");

        // Adding values to the querystring
        var query = HttpUtility.ParseQueryString(string.Empty);
        query["email"] = email;
        query["password"] = password;
        string queryString = query.ToString();

        // Uploadstring does a POST request to the specified server
        client.UploadString(uri, queryString);
    }

How can I convert this .NET RestSharp code to Microsoft.Net.Http HttpClient code?

3 Answers3

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