Public Class Form1
    Private dt As New DataTable("MyTable")
    Private WithEvents bs As BindingSource
    Private updated As Boolean
    Private file As String = "mytable.dat"
    Private filePath As String = Environment.GetFolderPath( _
      Environment.SpecialFolder.MyDocuments)
 
 Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles _
   MyBase.Load
 
 
 dt.Columns.Add("Schlagwort", GetType(String))
        dt.Columns.Add("Inhalt", GetType(String))
 
        ' Daten binden
        bs = New BindingSource(dt, Nothing)
 
         DataGridView1.DataSource = bs 
 
        dr("Schlagwort") = "SCHLAGWORT"
        dr("Inhalt") = "xyz"
        dt.Rows.Add(dr)
    End Sub