代码转换，将java代码转换成C#代码，高手帮忙

Java code:

URL url = new URL("http://www.baidu.com");
URLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestProperty( " User-agent " , " IE/7.0 " );
connection.connect();
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(),"Shift_JIS"));//根据对应编码接收
String line = null ;
StringBuilder sb = new StringBuilder();
while ((line = in.readLine()) != null ) {
sb.append(line);
}
in.close();
String trans=sb.toString();
System.out.print(trans);

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C# code:
System.Net.WebClient client = new System.Net.WebClient();
client.Headers.Add("user-agent", " IE/7.0 ");
Stream data = client.OpenRead("http://www.baidu.com");
StreamReader reader = new StreamReader(data,Encoding.Default);
string s = reader.ReadToEnd();
data.Close();
reader.Close();
//Response.Write(s);

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引用

C# codeSystem.Net.WebClient client=new System.Net.WebClient();
client.Headers.Add("user-agent"," IE/7.0");
Stream data= client.O