Capture Web Page

private string GetUrlData(string url)
{
    StringBuilder sb = new StringBuilder();
    using (WebClient client = new WebClient())
    {
        Stream datastream = client.OpenRead(url);
        StreamReader reader = new StreamReader(datastream);
        while (!reader.EndOfStream)
        {
            sb.Append(reader.ReadLine());
        }
    }

    var result = sb.ToString();
    return result;
}