求将一段JAVA示例程序改成VB的

Java code:

/*
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* and open the template in the editor.
*/

package javaapplication1;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.DataInputStream;
import java.io.OutputStreamWriter;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import COMMON.CHello;

/**
*
* @author xiao
*/
public class Main {

/**
* @param args the command line arguments
*/

public static void main(String[] args) {
// TODO code application logic here
try
{
//发送POST请求
URL url=new URL("http://127.0.0.1/submitdata/Service.asmx/g_Submit");
HttpURLConnection conn=(HttpURLConnection)url.openConnection();
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setUseCaches(false);
conn.setDoOutput(true);

String postdata="sname=dlxiaoym&spwd=12435678&scorpid=0000