HttpWebRequest
Simple HttpWebRequest C#
We will post parameters u=my_yahooID and Display style m=s and t=8
to yahoo server opi.yahoo.com it will tell the yahoo user online status online / offline.
protected void Button1_Click(object sender, EventArgs e)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://opi.yahoo.com/online?u=my_yahooid&m=s&t=8"); // setting up connection with web and posting
HttpWebResponse response = (HttpWebResponse)request.GetResponse(); // Returns httpwebresponse
StreamReader reader = new StreamReader(response.GetResponseStream());
Response.Write(reader.ReadToEnd());
}