void SfRangeNavigator_RangeChanged(object sender, SfDateTimeRangeNavigator.RangeChangedEventArgs e)
{
dataRangeText.Text = "Data usage cycle " + new SimpleDateFormat("MMM dd").Format(e.ViewRangeStart) + " - " + new SimpleDateFormat("MMM dd").Format(e.ViewRangeEnd);
DateTime minimum = ConvertToDateTime(e.ViewRangeStart);
DateTime maximum = ConvertToDateTime(e.ViewRangeEnd);
double dataUsage = 0;
for (int i = 0; i < dataPoints.Count; i++)
{
DataPoint chartDataPoint = (DataPoint)dataPoints[i];
DateTime ChartDate = (DateTime)chartDataPoint.Date;
if (ChartDate > minimum && ChartDate < maximum)
{
dataUsage = dataUsage + (Double)chartDataPoint.YValue;
}
}
dataUsageText.Text = "Date Usage " + (int)dataUsage + " MB";
}
void sfRangeNavigator_RangeChanged(object sender, SfDateTimeRangeNavigator.RangeChangedEventArgs e)
{
((DateTimeAxis)chartTop.PrimaryAxis).Minimum = e.ViewRangeStart;
((DateTimeAxis)chartTop.PrimaryAxis).Maximum = e.ViewRangeEnd;
}
