TextFieldParser.ErrorLine Property

Definition

Namespace:

Microsoft.VisualBasic.FileIO

Assembly:

Microsoft.VisualBasic.Core.dll

Source:

TextFieldParser.vb

Returns the line that caused the most recent MalformedLineException exception.

public:
 property System::String ^ ErrorLine { System::String ^ get(); };

public string ErrorLine { get; }

member this.ErrorLine : string

Public ReadOnly Property ErrorLine As String

Property Value

String

The line that caused the most recent MalformedLineException exception.

Examples

This example uses the ErrorLine property to display 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.ErrorLine & " is not valid.")
    End Try
End While

Remarks

If no MalformedLineException exceptions have been thrown, an empty string is returned.

The ErrorLineNumber property can be used to display the number of the line that caused the exception.

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

To	See
Read from a delimited file	How to: Read From Comma-Delimited Text Files
Read from a fixed-width file	How to: Read From Fixed-width Text Files

See also

• OpenTextFieldParser(String)
• Objects (Visual Basic)
• Parsing Text Files with the TextFieldParser Object
• How to: Read From a Text File with Multiple Formats in Visual Basic
• How to: Read From a Fixed-width Text File in Visual Basic
• How to: Read From a Comma-Delimited Text File in Visual Basic
• Try...Catch...Finally Statement (Visual Basic)