how to handle request data in c# code example

Example 1: https request c#

HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://requestbin.net/r/xxxxxxxx?" + textBox2.Text);
req.GetResponse();

Example 2: c# make http request

private static readonly HttpClient client = new HttpClient();

var responseString = await client.GetStringAsync("http://www.example.com/recepticle.aspx");