Line 属性返回在 TextStream 文件中的当前行号（从 1 开始）。
dim fs,f,t
set fs=Server.CreateObject("Scripting.FileSystemObject")
set f=fs.CreateTextFile("c:\test.txt",true)
f.WriteLine("Hello World!")
f.WriteLine("How are you today?")
f.WriteLine("Goodbye!")
f.close
Set t=fs.OpenTextFile("c:\test.txt",1)
do while t.AtEndOfStream=false
Response.Write("Line " & t.Line & ": ")
Response.Write(t.ReadLine)
Response.Write("<br>")
loop
t.Close
%>
输出：
Line 1: Hello World!
Line 2: How are you today?
Line 3: Goodbye!