📄 smartpalettesaving.aspx
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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
void Page_Load(Object sender,EventArgs e)
{
Chart.Type = ChartType.Combo;
Chart.Size = "700x350";
Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Title = ".netCHARTING Sample";
// This sample demonstrates how to save a custom palette to the xml file.
Chart.ChartArea.Label.Text = "This palette is saved to an xml file 'myColors.xml'\n and is loaded in sample\n SmartPaletteLoading.aspx";
Annotation an = new Annotation("Go to the sample that loads the myColors.xml file");
an.URL = "SmartPaletteLoading.aspx";
an.Label.Color = Color.Blue;
an.Label.Font = new Font("Arial",8,FontStyle.Underline);
an.Position = new PointF(590,130);
Chart.Annotations.Add(an);
// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Classic samples folder
// - Help File > Data Tutorials
// - Sample: features/DataEngine.aspx
SeriesCollection mySC = getRandomData();
// here we'll use two different methods just for demonstration purposes. One will not have any effect.
// Calling this method from the series collection will generate the nameValuePairs for Series only.
SmartPalette ncp = mySC.GetSmartPalette(new Color[] { Color.Red, Color.Green, Color.Orange });
ncp = mySC.GetSmartPalette(Palette.Three);
// Now get the element colors from series. Both name color pairs cant be used because
// element colors will override the series colors so this one wont be used, just demonstrated.
SmartPalette ncp2 = mySC[0].GetSmartPalette(Palette.Three);
// This will also work:
SmartPalette ncp3 = mySC[0].GetSmartPalette(Chart.Palette);
// Save the series colors.
ncp.SaveState("temp/myColors.xml");
// Use them on a chart.
Chart.SmartPalette = ncp;
// Add the random data.
Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getRandomData()
{
SeriesCollection SC = new SeriesCollection();
Random myR = new Random(1);
for(int a = 1; a < 5; a++)
{
Series s = new Series();
s.Name = "Series " + a.ToString();
for(int b = 1; b < 5; b++)
{
Element e = new Element();
e.Name = "Element " + b.ToString();
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
// Set Different Colors for our Series
SC[0].DefaultElement.Color = Color.FromArgb(49,255,49);
SC[1].DefaultElement.Color = Color.FromArgb(255,255,0);
SC[2].DefaultElement.Color = Color.FromArgb(255,99,49);
SC[3].DefaultElement.Color = Color.FromArgb(0,156,255);
return SC;
}
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</DIV>
</BODY>
</HTML>
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