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Read specific line using streamreader!

Posted on 2004-03-29
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Last Modified: 2012-05-04
How to read specific line using streamreader in vb.net. For example I need to read line # 10 in test.txt  How can i done it???

Also, i have i list ListBox1
what i want to make is when my ListBox1.selectedindex = 0 then read line #0 from text file,,, if selectedindex =1 then read line#1 and so on,,,, How can it be done,,,
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Question by:g00r00
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farsight earned 20 total points
ID: 10711065
   Private Sub TryGetLine2()
        Dim filename As String = "Schema.ini"
        ' Show lines 2, 3, and 4.
        MessageBox.Show(GetLine2(filename, 2))
        MessageBox.Show(GetLine2(filename, 3))
        MessageBox.Show(GetLine2(filename, 4))
        'MessageBox.Show(GetLine2(filename, -73))    'Should throw exception.
    End Sub

    Private Function GetLine2(ByVal filename As String, ByVal lineNumber As Integer) As String
        Dim sr As System.IO.StreamReader
        Dim content As String
        Dim currentLineNumber As Integer = 0   ' Initialized to the number for the first line.
        Try
            sr = New System.IO.StreamReader(filename)
            Do While sr.Peek <> -1
                content = sr.ReadLine()
                If currentLineNumber = lineNumber Then
                    Return content
                End If
                currentLineNumber += 1
            Loop
        Catch
        Finally
            sr.Close()
        End Try
        Throw New ApplicationException("GetLine2: Line not found.")
    End Function
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