Change Color of Alternate Rows in the DataGridView

Change Color of Alternate Rows in the DataGridView
C#

private void btnAlternate_Click(object sender, EventArgs e)
{
this.dgv.RowsDefaultCellStyle.BackColor = Color.White;
this.dgv.AlternatingRowsDefaultCellStyle.BackColor = Color.Aquamarine;
}

Private Sub btnAlternate_Click(ByVal sender As Object, ByVal e As EventArgs)

Me.dgv.RowsDefaultCellStyle.BackColor = Color.White
Me.dgv.AlternatingRowsDefaultCellStyle.BackColor = Color.Aquamarine

End Sub