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? and Adding Http Headers to HttpClient (ASP.NET Web API). Try to use the search. — CodeCaster
– CodeCaster, Commented Feb 16, 2014 at 1:13
... 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
– Charles, Commented Feb 16, 2014 at 5:27
That's a really good question. I've only read about Microsoft.Net.HttpClient .. there really are -three- ?? — Pure.Krome
– Pure.Krome, Commented Feb 16, 2014 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
– Darrel Miller, Commented Feb 17, 2014 at 1:32
@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
– Shaiju Janardhanan, Commented May 26, 2016 at 14:56

daanl · Accepted Answer · 2014-02-16 08:22:53Z

12

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));

answered Feb 16, 2014 at 8:22

daanl

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Comments

Todd Menier · Accepted Answer · 2015-04-18 16:44:46Z

3

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 });

answered Apr 18, 2015 at 16:44

Todd Menier

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Comments

Wessel T. · Accepted Answer · 2014-02-16 00:43:39Z

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 protected]";
        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);
    }

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