???string fileName="e:\\test.txt";
???System.IO.StreamWriter sw=new System.IO.StreamWriter(fileName);
???sw.WriteLine(System.DateTime.Now);
???sw.Close();
???if(System.IO.File.Exists(fileName))
???{
????System.IO.StreamReader sr=new System.IO.StreamReader(fileName);
????String line=null;
????while((line=sr.ReadLine())!=null)
????{
?????System.Console.WriteLine(line);
????}
????sr.Close();
???}