Retornando o conteúdo de uma página web

public string GetContent(string url)

{

    string result = "Error communicating with server";

    System.Net.HttpWebRequest wreq = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url);

    wreq.Method = "GET";

    wreq.Timeout = 3000;

    System.Net.HttpWebResponse wr = (System.Net.HttpWebResponse)wreq.GetResponse();

    if (wr.StatusCode == System.Net.HttpStatusCode.OK)

    {

        System.IO.Stream s = wr.GetResponseStream();

        System.Text.Encoding enc = System.Text.Encoding.GetEncoding("utf-8");

        System.IO.StreamReader readStream = new System.IO.StreamReader(s, enc);

        result = readStream.ReadToEnd();

    }

    return result;

}