Public Class Form1
 
   Private dt As New DataTable("tblAnmeldedaten")
   Private bs As New BindingSource
 
   Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
     System.EventArgs) Handles MyBase.Load
 
      ' Spalten definieren
      dt.Columns.Add("Benutzer", GetType(System.String))
      dt.Columns.Add("Passwort", GetType(System.String))
 
      ' ggf. XML laden
      If IO.File.Exists("D:\MeineBenutzer.xml") Then
         dt.ReadXml("D:\MeineBenutzer.xml")
      End If
 
      ' Datatable an Bindingsource binden
      bs.DataSource = dt
 
      ' Steuerelemente an Bindingsource binden
      Me.DataGridView1.DataSource = bs
      Me.TextBox1.DataBindings.Add("Text", bs, "Benutzer")
      Me.TextBox2.DataBindings.Add("Text", bs, "Passwort")
   End Sub
 
   Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As _
     System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
      ' Beim Beenden der Anwendung die DataTable speichern
      Me.Validate()
      bs.EndEdit()
      dt.WriteXml("D:\MeineBenutzer.xml")
   End Sub
 
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
     System.EventArgs) Handles Button1.Click
      ' Neuer Eintrag 
      bs.AddNew()
   End Sub
End Class

Gru?
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