对文件夹进行操作-操作文件夹

    protected void Page_Load(object sender, EventArgs e)
    {
        DirectoryInfo d = Directory.CreateDirectory("c:\\first");
        DirectoryInfo d1 = d.CreateSubdirectory("first1");
        DirectoryInfo d2 = d1.CreateSubdirectory("first1_1");
        Directory.SetCurrentDirectory("c:\\first");
        Directory.CreateDirectory("first2");
        Directory.CreateDirectory("first2\\first2_1");
    }