System.IO.FileInfo fi = new System.IO.FileInfo(@"D:\site\EKECMS\skin\Grey\default#.html");
Response.Write("修改时间：" + fi.LastWriteTime.ToString() + "<br>");
Response.Write("创建时间：" + fi.CreationTime.ToString() + "<br>");

C# 文件创建时间，修改时间