TextFieldParser.ErrorLine Property
Returns the line that caused the most recent MalformedLineException exception.
' Usage
Dim value As String = TextFieldParserObject.ErrorLine
' Declaration
Public ReadOnly Property ErrorLine As String
Property Value
String.
Remarks
If no MalformedLineException exceptions have been thrown, an empty string is returned.
The TextFieldParser.ErrorLineNumber Property can be used to display the number of the line causing the exception.
Tasks
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 in Visual Basic |
Read from a fixed-width file |
Example
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
Requirements
Namespace:Microsoft.VisualBasic.FileIO
Class:TextFieldParser
Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)
Permissions
No permissions are required.
See Also
Tasks
How to: Read From Text Files with Multiple Formats in Visual Basic
How to: Read From Fixed-width Text Files in Visual Basic
How to: Read From Comma-Delimited Text Files in Visual Basic
How to: Test Code with a Try…Catch Block in Visual Basic
Concepts
Parsing Text Files with the TextFieldParser Object