C#获取指定网页源码

/// <summary>
/// 获取网页源码
/// </summary>
/// <param name="Url">链接</param>
/// <param name="CharSet">编码</param>
/// <returns></returns>
public static string GetSource(string Url, string CharSet = "GB2312")
{
using (WebClient myWebClient = new WebClient())
{
using (Stream myStream = myWebClient.OpenRead(Url))
{
using (StreamReader sr = new StreamReader(myStream, System.Text.Encoding.GetEncoding(CharSet)))
{
return sr.ReadToEnd();
}
}
}
}