Imports MySql.Data.MySqlClient
Imports System.Data
 
Public Class Lektion_2
 
    'Deklaration der Verbindungsvariablen:
 
    Dim username As String = ""
    Dim ip As String = ".kasserver.com"
    Dim db As String = ""
    Dim pw As String = ""
 
    Dim cmd As New MySqlCommand
    Dim con As New MySqlConnection
    Dim ds As New DataSet(db)
    Dim adapter As New MySqlDataAdapter
 
    Private Sub Window_Loaded(ByVal sender As System.Object, ByVal e As _
      System.Windows.RoutedEventArgs)
        Datenbindung()
    End Sub
 
    Private Sub Datenbindung()
 
        con.ConnectionString = "Server=" & ip & "; password=" & pw & " ; user" & _
          "id =" & username & "; database= " & db & ";"
 
        'Öffnen der Verbindung:
        con.Open()
 
        cmd.Connection = con
        cmd.CommandText = "SELECT * FROM back_branche"
 
        adapter.SelectCommand = cmd
        adapter.Fill(ds, "branche")
 
        ListBox1.DataContext = ds
 
    End Sub
End Class

Es ist n?tig das Eure Antworten verst?ndlich und nachvollziehbar sind. (Umgebung: Visual Studio Proff.2010, WPF, XAML, Visual Basic 10, Wind.7)