C# FTP上传文件、文件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using FTP_LS.FTPClass;
using System.IO;
using System.Runtime.InteropServices;
using System.Collections;
using System.Threading;
using System.Net;
namespace FTP_LS
{
    public partial class frmMain : Form
    {
        baseClass bc = new baseClass（）;

        public frmMain（）
        {
            InitializeComponent（）;
        }
        public string FolderName=““;
        private string serverIp;
        private string serverUser;
        private string serverPwd;
        private static bool check=false;
        public string BDFolderName=““;
        private void frmMain_Load（object sender EventA

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2009-07-09 10:11  FTP-LS2\
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\
     文件         907  2008-06-12 11:20  FTP-LS2\FTP-LS\FTP-LS\FTP-LS.sln
     文件       19456  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS.suo
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\bin\
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\bin\Debug\
     文件       73728  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\bin\Debug\FTP-LS.exe
     文件       83456  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\bin\Debug\FTP-LS.pdb
     文件        5632  2005-11-11 22:25  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\bin\Debug\FTP-LS.vshost.exe
     文件       31670  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmMain.cs
     文件       41594  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmMain.Designer.cs
     文件       16646  2008-08-20 13:10  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmMain.resx
     文件        1200  2008-06-30 11:08  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmNewFolder.cs
     文件        3636  2008-06-30 11:08  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmNewFolder.Designer.cs
     文件        5814  2008-06-30 11:08  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\frmNewFolder.resx
     文件        4388  2008-08-20 11:45  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTP-LS.csproj
     文件         168  2008-08-20 11:45  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTP-LS.csproj.user
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPClass\
     文件       31048  2008-08-20 11:00  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPClass\baseClass.cs
     目录           0  2009-07-09 10:11  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\
     文件        2862  2008-08-20 11:47  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\ftp.ico
     文件       58368  2008-11-05 11:36  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\Thumbs.db
     文件        1014  2008-06-19 14:25  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\ww.png
     文件        2862  2008-08-20 11:43  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\上传.ico
     文件        2862  2008-08-20 11:43  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\下载.ico
     文件        2862  2008-08-20 10:23  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\全选.ico
     文件        2862  2008-08-20 11:43  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\删除.ico
     文件        2862  2008-08-20 11:43  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\剪切.ico
     文件        2862  2008-08-20 10:23  FTP-LS2\FTP-LS\FTP-LS\FTP-LS\FTPImages\复制.ico
............此处省略27个文件信息