Private _dataSet As DataSet

Private Sub Window_Loaded(ByVal sender As Object, ByVal e As RoutedEventArgs)

    ' create connection and fill data set

    Dim mdbFile As String = "c:\db\nwind.mdb"

    Dim connString As String = String.Format("Provider=Microsoft.Jet.OLEDB.4.0; Data Source={0}", mdbFile)

    Dim conn As New OleDbConnection(connString)

    Dim adapter As New OleDbDataAdapter("SELECT TOP 10 ProductName, UnitPrice FROM Products " & vbCr & vbLf & " ORDER BY UnitPrice;", conn)

    _dataSet = New DataSet()

    adapter.Fill(_dataSet, "Products")

    ' set data table rows as the source for chart data

    c1Chart1.Data.ItemsSource = _dataSet.Tables("Products").Rows

End Sub

DataSet _dataSet;

private void Window_Loaded(object sender, RoutedEventArgs e)

{

  // create connection and fill data set

  string mdbFile = @"c:\db\nwind.mdb";

  string connString = string.Format(

    "Provider=Microsoft.Jet.OLEDB.4.0; Data Source={0}",

    mdbFile);

  OleDbConnection conn = new OleDbConnection(connString);

  OleDbDataAdapter adapter = new OleDbDataAdapter(

     @"SELECT TOP 10 ProductName, UnitPrice FROM Products

       ORDER BY UnitPrice;", conn);

  _dataSet = new DataSet();

  adapter.Fill(_dataSet, "Products");

  // set data table rows as the source for chart data

  c1Chart1.Data.ItemsSource = _dataSet.Tables["Products"].Rows;

}