ate Sub ButtonAuswahl_Click(ByVal sender As System.Object, ByVal e As _
  System.EventArgs) Handles ButtonAuswahl.Click
        Dim m_SelectedStyle As DataGridViewCellStyle
        Dim m_SelectedRow As Integer = -1
 
        m_SelectedStyle = New DataGridViewCellStyle()
        m_SelectedStyle.BackColor = Color.LightBlue
 
        If m_SelectedRow >= 0 Then
            Grid.Rows(m_SelectedRow).DefaultCellStyle _
                = Nothing
        End If
 
        m_SelectedRow = Grid.CurrentRow.Index
        Grid.CurrentRow.DefaultCellStyle = m_SelectedStyle