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c# - Add Custom Headers using HttpWebRequest

I am not really sure what type of headers these highlighted values are, but how should I add them using HttpWebRequest?

HTTP Header

Is the highlighted part considered body of the http request or header data? In other words, which way is correct?

Here is the code I am currently using:

HttpWebRequest request = (HttpWebRequest) WebRequest.Create("/securecontrol/reset/passwordreset");
request.Headers.Add("Authorization", "Basic asdadsasdas8586");
request.ContentType = "application/x-www-form-urlencoded";
request.Host = "www.xxxxxxxxxx.com";
request.Method = "POST";
request.Proxy = null;
request.Headers.Add("&command=requestnewpassword");

request.Headers.Add("&application=netconnect");

But should I use the following instead to build the Http Request above?

string reqString = "&command=requestnewpassword&application=netconnect";
byte[] requestData = Encoding.UTF8.GetBytes(reqString);

HttpWebRequest request = (HttpWebRequest) WebRequest.Create("/securecontrol/reset/passwordreset");
request.Headers.Add("Authorization", "Basic ashAHasd87asdHasdas");
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = requestData.Length;
request.Proxy = null;
request.Host = "www.xxxxxxxxxx.com";
request.Method = "POST";

using (Stream st = request.GetRequestStream())
st.Write(requestData, 0, requestData.Length);
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by (71.8m points)

A simple method of creating the service, adding headers and reading the JSON response,

private static void WebRequest()
{
    const string WEBSERVICE_URL = "<<Web Service URL>>";
    try
    {
        var webRequest = System.Net.WebRequest.Create(WEBSERVICE_URL);
        if (webRequest != null)
        {
            webRequest.Method = "GET";
            webRequest.Timeout = 20000;
            webRequest.ContentType = "application/json";
            webRequest.Headers.Add("Authorization", "Basic dcmGV25hZFzc3VudDM6cGzdCdvQ=");
            using (System.IO.Stream s = webRequest.GetResponse().GetResponseStream())
            {
                using (System.IO.StreamReader sr = new System.IO.StreamReader(s))
                {
                    var jsonResponse = sr.ReadToEnd();
                    Console.WriteLine(String.Format("Response: {0}", jsonResponse));
                }
            }
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine(ex.ToString());
    }
}

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