Empty Elements 1
Advanced empty element handling.
<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Empty Element 1</title>
<script runat="server">
void Page_Load(Object sender,EventArgs e)
{
Chart.Type = ChartType.ComboSideBySide;//Horizontal;
Chart.Width = 600;
Chart.Height = 200;
Chart.TempDirectory = "temp";
Chart.Use3D = true;
Chart.Debug = true;
Chart.LegendBox.Position = LegendBoxPosition.None;
// Demonstrates advanced empty element handling. (Modes)
// 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();
// EmptyElementMode.None
mySC[3].EmptyElement.Mode = EmptyElementMode.None;
mySC[3].Name = "Mode: None";
// EmptyElementMode.Ignore;
mySC[0].EmptyElement.Mode = EmptyElementMode.Ignore;
mySC[0].Name = "Mode: Ignore";
// EmptyElementMode.Fill;
mySC[1].EmptyElement.Mode = EmptyElementMode.Fill;
mySC[1].Name = "Mode: Fill";
// EmptyElementMode.TreatAsZero;
mySC[2].EmptyElement.Mode = EmptyElementMode.TreatAsZero;
mySC[2].Name = "Mode: TreatAsZero";
// Add the random data.
Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getData()
{
SeriesCollection sc = new SeriesCollection();
Series s1 = new Series();
s1.Elements.Add(new Element("1",8));
s1.Elements.Add(new Element("2",8));
s1.Elements.Add(new Element("3",double.NaN));
s1.Elements.Add(new Element("4",double.NaN));
s1.Elements.Add(new Element("5",5));
s1.Elements.Add(new Element("6",5));
Series s2 = new Series();
s2.Elements.Add(new Element("1",8));
s2.Elements.Add(new Element("2",8));
s2.Elements.Add(new Element("3",double.NaN));
s2.Elements.Add(new Element("4",double.NaN));
s2.Elements.Add(new Element("5",5));
s2.Elements.Add(new Element("6",5));
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));
sc.Add(s2);
sc.Add(s1);
sc.Add(s4);
sc.Add(s3);
return sc;
}
</script>
</head>
<body>
<br>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</div>
</body>
</html>
<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Empty Element 1</title>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Chart.Type = ChartType.ComboSideBySide 'Horizontal;
Chart.Width = 600
Chart.Height = 200
Chart.TempDirectory = "temp"
Chart.Use3D = True
Chart.Debug = True
Chart.LegendBox.Position = LegendBoxPosition.None
' Demonstrates advanced empty element handling. (Modes)
' 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.
Dim mySC As SeriesCollection = getData()
' EmptyElementMode.None
mySC(3).EmptyElement.Mode = EmptyElementMode.None
mySC(3).Name = "Mode: None"
' EmptyElementMode.Ignore;
mySC(0).EmptyElement.Mode = EmptyElementMode.Ignore
mySC(0).Name = "Mode: Ignore"
' EmptyElementMode.Fill;
mySC(1).EmptyElement.Mode = EmptyElementMode.Fill
mySC(1).Name = "Mode: Fill"
' EmptyElementMode.TreatAsZero;
mySC(2).EmptyElement.Mode = EmptyElementMode.TreatAsZero
mySC(2).Name = "Mode: TreatAsZero"
' Add the random data.
Chart.SeriesCollection.Add(mySC)
End Sub
Function getData() As SeriesCollection
Dim sc As SeriesCollection = New SeriesCollection()
Dim s1 As Series = New Series()
s1.Elements.Add(New Element("1",8))
s1.Elements.Add(New Element("2",8))
s1.Elements.Add(New Element("3",Double.NaN))
s1.Elements.Add(New Element("4",Double.NaN))
s1.Elements.Add(New Element("5",5))
s1.Elements.Add(New Element("6",5))
Dim s2 As Series = New Series()
s2.Elements.Add(New Element("1",8))
s2.Elements.Add(New Element("2",8))
s2.Elements.Add(New Element("3",Double.NaN))
s2.Elements.Add(New Element("4",Double.NaN))
s2.Elements.Add(New Element("5",5))
s2.Elements.Add(New Element("6",5))
Dim s3 As Series = 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))
Dim s4 As Series = 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))
sc.Add(s2)
sc.Add(s1)
sc.Add(s4)
sc.Add(s3)
Return sc
End Function
</script>
</head>
<body>
<br>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</div>
</body>
</html>
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