MS Chart

try

        {

            Chart1.ChartAreas[0].AxisX.Minimum = Front_Min.AddDays(-2).ToOADate();

            Chart1.ChartAreas[0].AxisX.Maximum = Front_Max.AddDays(2).ToOADate();

            double days = (double)((TimeSpan)(Front_Max.AddDays(2) - Front_Min.AddDays(-2))).Days;

            double labels = 2.0;

            // check if the number of days is bigger than labels

            if (days > labels)

            {

                // calculate the interval

                double interval = days / labels;

                Chart1.ChartAreas[0].AxisX.Interval = interval;

            }

            else

            {

                // set the interval of 1 day

                Chart1.ChartAreas[0].AxisX.Interval = 1;

            }

        }

        catch

        {

            //prevent null data

        }