dotnet文件操作

 /// <summary>
        /// 创建文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button1_Click(object sender, EventArgs e)
        {
            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
        }
        /// <summary>
        /// 删除文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button2_Click(object sender, EventArgs e)
        {
            if (Directory.Exists(path))
            {
                Directory.Delete(path);
            }
        }
        /// <summary>
        /// 移动文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button3_Click(object sender, EventArgs e)
        {
            Directory.Move(path, newpath);
        }
        /// <summary>
        /// 创建文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button4_Click(object sender, EventArgs e)
        {
            if (!File.Exists(newpath + @"myfile.txt"))
            {
                File.CreateText(newpath + @"myfile.txt");
            }
            Response.Write(String.Format("The number of files in {0} is {1}", newpath, Directory.GetFiles(newpath).Length));
        }
        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button5_Click(object sender, EventArgs e)
        {
            if (File.Exists(newpath + @"myfile.txt"))
            {
                File.Delete(newpath + @"myfile.txt");
            }
        }
        /// <summary>
        /// 移动文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button6_Click(object sender, EventArgs e)
        {
            File.Move(newpath + @"myfile.txt", path + @"file.txt");
        }