TextFieldParser.ErrorLineNumber Property

Returns the number of the line that caused the most recent MalformedLineException exception.

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

public long ErrorLineNumber { get; }
/** @property */
public long get_ErrorLineNumber ()

public function get ErrorLineNumber () : long

Not applicable.

Property Value


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

If no MalformedLineException exceptions have been thrown, -1 is returned.

The TextFieldParser.ErrorLine Property can be used to display the number of the line causing the exception. Blank lines and comments are not ignored when determining the line number.

The following table lists examples of tasks involving the ErrorLineNumber property.

This example uses the ErrorLineNumber property to display the location of the line causing the current MalformedLineException exception.

Dim FileReader As Microsoft.VisualBasic.FileIO.TextFieldParser
FileReader = My.Computer.FileSystem.OpenTextFieldParser("C:\test.txt")
Dim currentRow As String()
While Not FileReader.EndOfData
        currentRow = FileReader.ReadFields
        For Each currentField As String In currentRow
            My.Computer.FileSystem.WriteAllText _
            ("C://testfile.txt", currentField, True)
    Catch ex As Microsoft.VisualBasic.FileIO.MalformedLineException
        MsgBox("Line " & FileReader.ErrorLineNumber & " is not valid.")
    End Try
End While

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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