Web Page Requesting and getting Response ASP.NET C#

add namespace

using System.Net;

using System.IO;

code:

HttpWebRequest req = (HttpWebRequest) WebRequest. Create("http://www.rsmmukesh.blogspot.in/"); 

HttpWebResponse response = (HttpWebResponse)req.GetResponse();

StreamReader reader = new StreamReader(response.GetResponseStream());

string strSite = reader.ReadToEnd();