如何读取txt文件的数据？

[kathy_ni]

如何读取txt文件中的数据？比如文件名为a.txt，能不能给个简单的例子？

[lionelwy]

using Systme.IO;


StreamReader sr = new StreamReader("a.txt");
string text = sr.readEnd();
sr.close();

[AreZong]

读取文本文件，写入列表框中:

Dim input As TextReader = File.OpenText("MyFile.txt")
Dim line As String
line = input.ReadLine()
While Not (line Is Nothing)
ListBox1.Items.Add(line)
line = input.ReadLine()
End While
input.Close()

[wuyq11]

Dim Write As StreamWriter
Dim Path As String = Application.StartupPath
Write.WriteLine(temp)
Write = New StreamWriter(Path + "\ConnStr.txt")

[kathy_ni]

如果要一行一行的读？怎么个读法？

[singlepine]

Imports System
Imports System.IO
Imports System.Text

Public Class Test
Public Shared Sub Main()
Dim path As String = "c:\temp\MyTest.txt"
Dim fs As FileStream

' Delete the file if it exists.
If File.Exists(path) = False Then
' Create the file.
fs = File.Create(path)
Dim info As Byte() = _
New UTF8Encoding(True).GetBytes("This is some text in the file.")

' Add some information to the file.
fs.Write(info, 0, info.Length)
fs.Close()
End If

' Open the stream and read it back.
Dim sr As StreamReader = File.OpenText(path)

Do While sr.Peek() >= 0
Console.WriteLine(sr.ReadLine())
Loop

sr.Close()
End Sub
End Class