Legend Box Absolute Sizing
Demonstrates how to specify a legend box size and position.
<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Demonstrates how to specify a legend box size and position.
Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Type = ChartType.Combo;
Chart.Size = "600x350";
//Chart.Title = ".netCHARTING Sample";
Chart.DefaultLegendBox.Background.Color = Color.FromArgb(180, 240, 240, 240);
Chart.DefaultLegendBox.Line.Color = Color.LightGray;
Chart.LegendBox.Orientation = dotnetCHARTING.Orientation.Bottom;
Chart.LegendBox.Background.Color = Color.FromArgb(180, 240, 240, 240);
Chart.LegendBox.Line.Color = Color.LightGray;
Chart.LegendBox.Position = new Rectangle(new Point(40,40),new Size(145, 80));
// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Use the getLiveData() method using the dataEngine to query a database.
// - Help File > Getting Started > Data Tutorials
// - DataEngine Class in the help file
// - Sample: features/DataEngine.aspx
SeriesCollection mySC = getRandomData();
// Add the random data.
Chart.SeriesCollection.Add(mySC);
mySC[0].LegendEntry.LabelStyle.Font = new Font("Arial", 12);
mySC[2].LegendEntry.LabelStyle.Font = new Font("Arial", 17);
LegendBox lb = new LegendBox();
lb.Position = new Rectangle(new Point(40,140),new Size(250, 50));
LegendBox lb2 = new LegendBox();
lb2.Position = new Rectangle(new Point(340, 60), new Size(90, 150));
LegendBox lb3 = new LegendBox();
lb3.Position = new Rectangle(new Point(40, 250), new Size(90, 80));
lb.ExtraEntries.Add(getEntries());
lb2.ExtraEntries.Add(getEntries());
lb3.ExtraEntries.Add(getEntries());
Chart.ExtraLegendBoxes.Add(lb,lb2,lb3);
}
SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
int a = 0;
int b = 0;
for (a = 1; a < 5; a++)
{
Series s = new Series("Series " + a.ToString());
for (b = 1; b < 5; b++)
{
Element e = new Element("Element " + b.ToString());
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}
LegendEntryCollection getEntries()
{
LegendEntryCollection lec = new LegendEntryCollection();
for (int i = 1; i < 5; i++)
{
LegendEntry le = new LegendEntry();
le.Name = "Element: " + i;
le.Value = ((int)(234 * i)).ToString();
lec.Add(le);
}
return lec;
}
SeriesCollection getLiveData()
{
DataEngine de = new DataEngine("ConnectionString goes here");
de.ChartObject = Chart; // Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ....";
return de.GetSeries();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>
<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates how to specify a legend box size and position.
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Type = ChartType.Combo
Chart.Size = "600x350"
'Chart.Title = ".netCHARTING Sample";
Chart.DefaultLegendBox.Background.Color = Color.FromArgb(180, 240, 240, 240)
Chart.DefaultLegendBox.Line.Color = Color.LightGray
Chart.LegendBox.Orientation = dotnetCHARTING.Orientation.Bottom
Chart.LegendBox.Background.Color = Color.FromArgb(180, 240, 240, 240)
Chart.LegendBox.Line.Color = Color.LightGray
Chart.LegendBox.Position = New Rectangle(New Point(40,40),New Size(145, 80))
' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Use the getLiveData() method using the dataEngine to query a database.
' - Help File > Getting Started > Data Tutorials
' - DataEngine Class in the help file
' - Sample: features/DataEngine.aspx
Dim mySC As SeriesCollection = getRandomData()
' Add the random data.
Chart.SeriesCollection.Add(mySC)
mySC(0).LegendEntry.LabelStyle.Font = New Font("Arial", 12)
mySC(2).LegendEntry.LabelStyle.Font = New Font("Arial", 17)
Dim lb As LegendBox = New LegendBox()
lb.Position = New Rectangle(New Point(40,140),New Size(250, 50))
Dim lb2 As LegendBox = New LegendBox()
lb2.Position = New Rectangle(New Point(340, 60), New Size(90, 150))
Dim lb3 As LegendBox = New LegendBox()
lb3.Position = New Rectangle(New Point(40, 250), New Size(90, 80))
lb.ExtraEntries.Add(getEntries())
lb2.ExtraEntries.Add(getEntries())
lb3.ExtraEntries.Add(getEntries())
Chart.ExtraLegendBoxes.Add(lb,lb2,lb3)
End Sub
Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(1)
Dim SC As SeriesCollection = New SeriesCollection()
Dim a As Integer = 0
Dim b As Integer = 0
For a = 1 To 4
Dim s As Series = New Series("Series " & a.ToString())
For b = 1 To 4
Dim e As Element = New Element("Element " & b.ToString())
e.YValue = myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
Return SC
End Function
Function getEntries() As LegendEntryCollection
Dim lec As LegendEntryCollection = New LegendEntryCollection()
For i As Integer = 1 To 4
Dim le As LegendEntry = New LegendEntry()
le.Name = "Element: " & i
le.Value = (CInt(Fix(234 * i))).ToString()
lec.Add(le)
Next i
Return lec
End Function
Function getLiveData() As SeriesCollection
Dim de As DataEngine = New DataEngine("ConnectionString goes here")
de.ChartObject = Chart ' Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ...."
Return de.GetSeries()
End Function
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>
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