ASP.NET尋找一個目錄中的文件數

Question

想知道如何才能得到擴展名爲.txt的給定目錄中的文件數？

感謝

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