csharp: Getting all image files in folder

/// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                path = Server.MapPath("images/");

                String searchFolder = path;
                String[] filters = new String[] { "jpg", "jpeg", "png", "gif", "tiff", "bmp" };
                String[] files = GetFilesFrom(searchFolder, filters, false);
                for (int i = 0; i < files.Length; i++)
                {
                    Response.Write(files[i].ToString()+"<br/>");
                }


            }


        }
        /// <summary>
        /// 查找文件夹下的图片
        /// 2014-08-28 
        /// 涂聚文
        /// </summary>
        /// <param name="searchFolder"></param>
        /// <param name="filters"></param>
        /// <param name="isRecursive"></param>
        /// <returns></returns>
        public static String[] GetFilesFrom(String searchFolder, String[] filters, bool isRecursive)
        {
            List<String> filesFound = new List<String>();
            SearchOption searchOption = isRecursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
            foreach (string filter in filters)
            {
                filesFound.AddRange(Directory.GetFiles(searchFolder, String.Format("*.{0}", filter), searchOption));
            }
            return filesFound.ToArray();
        }