asp.net文件和文件夹压缩

法一：调用winrar
using Microsoft.Win32;
using System.Diagnostics;
protected void Button1_Click(object sender, EventArgs e)
    {
        RAR(@"E:\95413594531\GIS", "tmptest", @"E:\95413594531\");
    }
    /// <summary>
   /// 压缩文件
   /// </summary>
   /// <param name="DFilePath">需要压缩的文件夹或者单个文件</param>
   /// <param name="DRARName">生成压缩文件的文件名</param>
   /// <param name="DRARPath">生成压缩文件保存路径</param>
   /// <returns></returns>
    protected bool RAR(string DFilePath, string DRARName,string DRARPath)
    {
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;
        String the_Info;
        ProcessStartInfo the_StartInfo;
        Process the_Process;
        try
        {
            the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command");
            the_Obj = the_Reg.GetValue("");
            the_rar = the_Obj.ToString();
            the_Reg.Close();
            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            the_Info = " a    " + " " + DRARName + "  " + DFilePath +" -ep1"; //命令 +