CODEWITHSUNDEEP
c#postdotnet-httpclient
Konrad Viltersten
Konrad Viltersten

Reputation: 39190

Is the StringContent the same as params (form data)?

I'm using the following code to post a message to the server.

String credentials="[email protected]&pass=abc123";
using (HttpClient client = new HttpClient())
{
  HttpResponseMessage message = await client.PostAsync(
    url, new StringContent(credentials));
  result = await message.Content.ReadAsStringAsync();
}

However, the server responds with an error message saying that the email or pass isn't there.

{\"status\":\"error\",\"message\":\"Email or pass is missing\"}

Now, I can see it's lying but what can be done about it? Am I not providing the credentials as post data (the equivalent of "params" that can be seen if invoked from URL line in FF, as the image below shows?

I also noticed that when I access the RequestMessage like below, I get the URL but no credentials having been sent. What stupid thing am I missing?!

result = message.RequestMessage.ToString();

This result gives me the following string.

Method: POST, RequestUri: 'https://server.com/gettoken', Version: 1.1, Content: System.Net.Http.StringContent, Headers:\u000d\u000a{\u000d\u000a Content-Type: text/plain; charset=utf-8\u000d\u000a Content-Length: 56\u000d\u000a}

enter image description here

Upvotes: 0

Views: 4985

Answers (1)

voithos
voithos

Reputation: 70602

You should use the FormUrlEncodedContent to pass your POST data, instead of a StringContent object.

var credentials = new FormUrlEncodedContent(new[] {
  new KeyValuePair<string, string>("email", "[email protected]"), 
  new KeyValuePair<string, string>("pass", "abc123") 
});

using (HttpClient client = new HttpClient())
{
  HttpResponseMessage message = await client.PostAsync(
    url, credentials);
  result = await message.Content.ReadAsStringAsync();
}

Upvotes: 5

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