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 = ; 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();
         }