获取网页源码时:当前上下文中不存在名称“Encoding”

Question

    private string getHtml(string url)
    {        WebClient myWebClient = new WebClient();
        byte[] myDataBuffer = myWebClient.DownloadData(url);
        return Encoding.Default.GetString(myDataBuffer);    }

Answer 1

 WebClient myWebClient = new WebClient(); 
        byte[] myDataBuffer = myWebClient.DownloadData(url); 
        return System.Text.Encoding.Default.GetString(myDataBuffer); 

Answer 2

using System.Text;or System.Text.Encoding.GetString(myDataBuffer);

Answer 3

System.Text.Encoding.Default.GetString(myDataBuffer);