ASP.NET希望计算目录中的文件数

Question

只是想知道如何计算扩展名为.txt的给定目录中的文件数？

由于

Answer 1

Directory.EnumerateFiles(path, "*.txt").Count()

Answer 2

System.IO.Directory.GetFiles("Path", "*.txt").Count()

Answer 3

var di = new DirectoryInfo(@"c:\");
var count = di.GetFiles("*.txt").Length;

Answer 4

'Replace C:\ with your directory.
Dim intCount As Integer = (From s As String In System.IO.Directory.GetFiles("C:\") _
                           Where Microsoft.VisualBasic.Right(s, 4) = ".txt").Count