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TextFieldParser.LineNumber Property

Returns the current line number, or returns -1 if no more characters are available in the stream.

Namespace:  Microsoft.VisualBasic.FileIO
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public long LineNumber { get; }

Property Value

Type: System.Int64
Integer.

For more detailed information, see the Visual Basic topic TextFieldParser.LineNumber Property.

This is an advanced member; it does not show in IntelliSense unless you click the All tab.

Blank lines and comments are not ignored when determining the line number.

This example searches for the name "Jones" in the text file and reports what line(s) it occurs on.

Using FileReader As New Microsoft.VisualBasic.FileIO.TextFieldParser("C:\ParserText.txt")
    FileReader.TextFieldType = Microsoft.VisualBasic.FileIO.FieldType.Delimited
    FileReader.Delimiters = New String() {","}
    Dim currentRow As String()
    While Not FileReader.EndOfData
        Try
            currentRow = FileReader.ReadFields()
            Dim currentField As String 
            For Each currentField In currentRow
                If currentField = "Jones" Then
                    MsgBox("The name Jones occurs on line " & _
                    FileReader.LineNumber)
                End If 
            Next 
        Catch ex As Microsoft.VisualBasic.FileIO.MalformedLineException
            MsgBox("Line " & ex.Message & _
           "is not valid and will be skipped.")
        End Try 
    End While 
End Using

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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