Private Sub DataGrid1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DataGrid1.SelectedIndexChanged
        Dim itemCell As TableCell
        Dim selectedMonth As String
        itemCell = DataGrid1.Items(DataGrid1.SelectedIndex).Cells(1)
        selectedMonth = itemCell.Text

        Me.TextBox1.Text = selectedMonth
End Sub