Use system default editor to open a CSV file : CSV « Development « VB.Net Tutorial

1. VB.Net Tutorial
2. Development
3. CSV

Imports System.Diagnostics

Public Class Tester
    Public Shared Sub Main

        Dim csvFile As String = My.Application.Info.DirectoryPath & "\Test.csv"
        Dim outFile As IO.StreamWriter = My.Computer.FileSystem.OpenTextFileWriter(csvFile, False)


        outFile.WriteLine("Column 1, Column 2, Column 3")
        outFile.WriteLine("1.23, 4.56, 7.89")
        outFile.WriteLine("3.21, 6.54, 9.87")
        outFile.Close()

        Process.Start(csvFile)


    End Sub

End Class