📄 emptyelements2.aspx

📁 掌握学习.net开发的非常好的资料
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<%@ Page Language="C#"  debug="true" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet"  Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<HTML>
	<HEAD>
		<TITLE>Empty Element 2</TITLE>
		<script runat="server">


void Page_Load(Object sender,EventArgs e)
{

	Chart.Type = ChartType.ComboSideBySide;//Horizontal;
	Chart.Width = 800;
	Chart.Height = 200;
	Chart.TempDirectory = "temp";
	Chart.Use3D = false;
	Chart.Debug = true;
	Chart.XAxis.SpacingPercentage = 5;
	Chart.LegendBox.Position = LegendBoxPosition.None;
	
	
	// This sample will demonstrate advanced empty element handling. (Marking)
	// Changing the default series type will show how different types behave with empty elements.
	Chart.DefaultSeries.Type = SeriesType.AreaLine;
	
	// First we get our data, if you would like to get the data from a database you need to use
	// the data engine. See sample: features/dataEngine.aspx. Or the dataEngine tutorial in the help file.
	SeriesCollection mySC = getData();
	
	
	// Empty elements can be marked with markers and labels when using EmptyElementMode.Fill.
	Chart.DefaultSeries.EmptyElement.Mode = EmptyElementMode.Fill;
	
	
	
	
	//  **** Using a marker and label.
	mySC[0].Name = "Marker & Label";
	// Set label text.
	mySC[0].EmptyElement.SmartLabel.Text = "Empty";
	// Set the marker type to activate it. The default color is white.
	mySC[0].EmptyElement.Marker.Type = ElementMarkerType.Circle;
	
	
	
	//  **** Using a marker and label without filling the area.
	mySC[1].Name = "Marker & Label, No Fill";
	// This is done by making the main color and the line color transparent. The line is only shown 
	// in 2D with Line and AreaLine series types.
	mySC[1].EmptyElement.Color = Color.Transparent;
	mySC[1].EmptyElement.Line.Color = Color.Transparent;
	
	// Set label text.
	mySC[1].EmptyElement.SmartLabel.Text = "Empty";
	// Set the marker type to activate it. The default color is white.
	mySC[1].EmptyElement.Marker.Type = ElementMarkerType.Circle;
	


	// **** Styled line connecting real points.
	mySC[2].Name = "Styled Line";
	mySC[2].Type = SeriesType.Line;
	
	// Set the line color and dash style
	mySC[2].EmptyElement.Line.DashStyle = DashStyle.Dash;
	mySC[2].EmptyElement.Line.Color = Color.Gray;

	
	// **** Empty element tool tip.
	mySC[3].Name = "Tool Tip";
	mySC[3].EmptyElement.SmartLabel.Text = "See ToolTip";
	// Tooltip text.	
	mySC[3].EmptyElement.ToolTip = "Area is Empty";


	// **** Labels and markers for columns and cylinders are repeated. Other types use one marker and label for
	// any number of consecutive empty elements.
	mySC[4].Name = "Empty Column Fill";
	mySC[4].Type = SeriesType.Column;
	mySC[4].EmptyElement.SmartLabel.Text = "Empty";
	mySC[4].EmptyElement.Marker.Type = ElementMarkerType.Circle;
	
	
	

	// Add the random data.
	Chart.SeriesCollection.Add(mySC);
    
    
}


SeriesCollection getData()
{
	SeriesCollection sc = new SeriesCollection();
	
	Series s1 = new Series();
	s1.Elements.Add(new Element("1",5));
	s1.Elements.Add(new Element("2",5));
	s1.Elements.Add(new Element("3",double.NaN));
	s1.Elements.Add(new Element("4",double.NaN));
	s1.Elements.Add(new Element("5",8));
	s1.Elements.Add(new Element("6",8));
	
	Series s2 = new Series();
	s2.Elements.Add(new Element("1",5));
	s2.Elements.Add(new Element("2",5));
	s2.Elements.Add(new Element("3",double.NaN));
	s2.Elements.Add(new Element("4",double.NaN));
	s2.Elements.Add(new Element("5",8));
	s2.Elements.Add(new Element("6",8));
	
	Series s3 = new Series();
	s3.Elements.Add(new Element("1",5));
	s3.Elements.Add(new Element("2",5));
	s3.Elements.Add(new Element("3",double.NaN));
	s3.Elements.Add(new Element("4",double.NaN));
	s3.Elements.Add(new Element("5",8));
	s3.Elements.Add(new Element("6",8));
	
	Series s4 = new Series();
	s4.Elements.Add(new Element("1",5));
	s4.Elements.Add(new Element("2",5));
	s4.Elements.Add(new Element("3",double.NaN));
	s4.Elements.Add(new Element("4",double.NaN));
	s4.Elements.Add(new Element("5",8));
	s4.Elements.Add(new Element("6",8));
	
	Series s5 = new Series();
	s5.Elements.Add(new Element("1",5));
	s5.Elements.Add(new Element("2",5));
	s5.Elements.Add(new Element("3",double.NaN));
	s5.Elements.Add(new Element("4",double.NaN));
	s5.Elements.Add(new Element("5",8));
	s5.Elements.Add(new Element("6",8));
	

	sc.Add(s5);	
	sc.Add(s4);	
	sc.Add(s3);	
	sc.Add(s2);	
	sc.Add(s1);



	
	return sc;
	

}
		</script>
	</HEAD>
	<BODY>
	<br>
		<DIV align="center">
			<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
			</dotnet:Chart>
		</DIV>
	</BODY>
</HTML>
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