private void SortAscendingButton_Click(object sender, System.EventArgs e)
{
DataSeriesMask included = DataSeriesMask.RandomAccess |
DataSeriesMask.FillStyles |
DataSeriesMask.StrokeStyles |
DataSeriesMask.DataLabelStyles;
DataSeriesMask excluded = DataSeriesMask.PieDetachments;
NDataSeriesCollection arr = m_Pie.GetDataSeries(included, excluded, false);
int masterDataSeries = arr.FindByMask(DataSeriesMask.Values);
arr.Sort(masterDataSeries, DataSeriesSortOrder.Ascending);
nChartControl1.Refresh();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
SortDropDownList.Items.Add("Ascending");
SortDropDownList.Items.Add("Descending");
SortDropDownList.SelectedIndex = 0;
}
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Sorted Pie Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.ContentAlignment = ContentAlignment.BottomRight;
title.Location = new NPointL(
new NLength(2, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// setup legend
NLegend legend = nChartControl1.Legends[0];
legend.Visible = false;
legend.HorizontalBorderStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
legend.VerticalBorderStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
legend.Location = new NPointL(
new NLength(100, NRelativeUnit.ParentPercentage),
new NLength(0, NRelativeUnit.ParentPercentage));
// by default the control contains a Cartesian chart -> remove it and create a Pie chart
NChart chart = new NPieChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(chart);
chart.Enable3D = false;
chart.DisplayOnLegend = nChartControl1.Legends[0];
chart.BoundsMode = BoundsMode.Fit;
chart.Location = new NPointL(
new NLength(15, NRelativeUnit.ParentPercentage),
new NLength(16, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(
new NLength(70, NRelativeUnit.ParentPercentage),
new NLength(70, NRelativeUnit.ParentPercentage));
NPieSeries pie = (NPieSeries)chart.Series.Add(SeriesType.Pie);
pie.PieStyle = PieStyle.SmoothEdgePie;
pie.Legend.Mode = SeriesLegendMode.DataPoints;
pie.Legend.Format = "<label> <percent>";
pie.AddDataPoint(new NDataPoint(0, "Cars"));
pie.AddDataPoint(new NDataPoint(0, "Trains"));
pie.AddDataPoint(new NDataPoint(0, "Buses"));
pie.AddDataPoint(new NDataPoint(0, "Airplanes"));
pie.AddDataPoint(new NDataPoint(0, "Ships"));
pie.Values.FillRandomRange(Random, 5, 1, 40);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.FreshMultiColor);
styleSheet.Apply(nChartControl1.Document);
DataSeriesMask included = DataSeriesMask.RandomAccess;
DataSeriesMask excluded = DataSeriesMask.PieDetachments;
NDataSeriesCollection arr = pie.GetDataSeries(included, excluded, false);
int masterDataSeries = arr.FindByMask(DataSeriesMask.Values);
if (SortDropDownList.SelectedIndex == 0)
{
arr.Sort(masterDataSeries, DataSeriesSortOrder.Ascending);
}
else
{
arr.Sort(masterDataSeries, DataSeriesSortOrder.Descending);
}
}
