StripLine stripLine2 = new StripLine();
        stripLine2.BackColor = Color.FromArgb(120, Color.Gold);
        stripLine2.IntervalOffset = -1.5;
        stripLine2.IntervalOffsetType = DateTimeIntervalType.Days;
        stripLine2.Interval = 1;
        stripLine2.IntervalType = DateTimeIntervalType.Weeks;
        stripLine2.StripWidth = 2;
        stripLine2.StripWidthType = DateTimeIntervalType.Days;

        // Add strip line to the chart
        chart1.ChartAreas[0].AxisX.StripLines.Add(stripLine2);

        // Set the axis label to show the name of the day
        // This is done in order to demonstrate that weekends are highlighted
        chart1.ChartAreas[0].AxisX.LabelStyle.Format = "ddd";