C#获取文件夹下的所有文件的文件名

String path = @"X:\xxx\xxx" ;

//第一种方法
var files = Directory.GetFiles(path, "*.txt" );

foreach (var file in files)
    Console.WriteLine(file);

//第二种方法
DirectoryInfo folder = new DirectoryInfo(path);

foreach (FileInfo file in folder.GetFiles( "*.txt" ))
{
    Console.WriteLine(file.FullName);
}

http://www.cnblogs.com/technology/archive/2011/07/12/2104786.html