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TextFieldParser.ErrorLineNumber Property 

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


' Usage 
Dim value As Long = TextFieldParserObject.ErrorLineNumber
' Declaration
Public ReadOnly Property ErrorLineNumber As Long

This property throws no exceptions.

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

Namespace: Microsoft.VisualBasic.FileIO

Class: TextFieldParser

Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)

No permissions are required.

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