📄 chartareadb2.aspx
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<%@ Page Language="VB" Description="dotnetCHARTING Component" Debug="true" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
Sub Page_Load(sender As [Object], e As EventArgs)
'set global properties
Chart.Title = "Item sales (mouseover any bar for its value)"
Chart.ChartArea.XAxis.Label.Text = "Months"
Chart.Size = "800X500"
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.DefaultAxis.FormatString = "c"
'Set a tooltip with series name and value
Chart.DefaultElement.ToolTip = "%SeriesName: %Value"
'Add a series
Dim de As New DataEngine()
de.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;data source=" + Server.MapPath("../../database/chartsample.mdb")
de.StartDate = New DateTime(2002, 1, 1, 0, 0, 0)
de.EndDate = New DateTime(2002, 12, 31, 23, 59, 59)
de.DateGrouping = TimeInterval.Year
' Chart Area 1
Chart.ChartArea.Label.Text = "Top 5 Producers"
de.SplitByLimit = "5"
de.ShowOther = False
de.SqlStatement = "SELECT OrderDate,Total, Name FROM Orders WHERE OrderDate >= #STARTDATE# AND OrderDate <= #ENDDATE# ORDER BY Orders.OrderDate"
Chart.LegendBox.HeaderEntry.Visible = True
Chart.LegendBox.HeaderEntry.Value = "Top 5"
Dim sc As SeriesCollection = de.GetSeries()
Chart.SeriesCollection.Add(sc)
' Chart Area 2
Dim ca2 As New ChartArea()
de.LimitMode = LimitMode.ExcludeTop
Dim sc2 As SeriesCollection = de.GetSeries()
Dim s As Series
For Each s In sc2
s.LegendEntry.SortOrder = 2
Next s
ca2.SeriesCollection.Add(sc2)
ca2.Label.Text = "Others"
de.SqlStatement = "SELECT OrderDate, Sum(Total) FROM Orders WHERE OrderDate >= #STARTDATE# AND OrderDate <= #ENDDATE# GROUP BY Orders.OrderDate ORDER BY Orders.OrderDate"
de.Limit = ""
Chart.ExtraChartAreas.Add(ca2)
' Chart Area 3
Dim ca3 As New ChartArea()
Dim sc3 As SeriesCollection = de.GetSeries()
sc3(0).LegendEntry.SortOrder = 4
sc3(0).Name = "Total"
sc3(0).DefaultElement.ToolTip = "%ElementName Total: %Value"
ca3.SeriesCollection.Add(sc3)
ca3.Label.Text = "Total"
Chart.ExtraChartAreas.Add(ca3)
' Legend Entry Headers
Dim head2 As New LegendEntry("", "Other", "")
head2.SortOrder = 1
head2.PaddingTop = 8
head2.LabelStyle.Font = New Font("Arial", 8, FontStyle.Bold)
head2.DividerLine.Color = Color.Black
Chart.LegendBox.ExtraEntries.Add(head2)
Dim head3 As New LegendEntry("", "Total", "")
head3.PaddingTop = 8
head3.LabelStyle.Font = New Font("Arial", 8, FontStyle.Bold)
head3.SortOrder = 3
head3.DividerLine.Color = Color.Black
Chart.LegendBox.ExtraEntries.Add(head3)
End Sub 'Page_Load
</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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