private void ResultToSeries(string source, IEnumerable<DPSResult> result)
        {
Series newseries = new Series()
            {
                BackGradientStyle = GradientStyle.HorizontalCenter,
                BorderDashStyle = ChartDashStyle.Dot,
                ... и т.д.
            };

newseries.Points.DataBind(result, "Время", "Значение", null);
chart1.Series.Add(newseries);

 private class DPSResult
        {
            public DateTime time{ get; set; }
            public double value{ get; set; }

            public DPSResult(DateTime d, double v)
            {
                time= d;
                value= v;
            }
        }

IsXValueIndexed = true