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📄 legendboxelement2.aspx

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

void Page_Load(Object sender,EventArgs e)
{

	Chart.Type = ChartType.Combo;//Horizontal;
	Chart.Width = 600;
	Chart.Height = 350;
	Chart.TempDirectory = "temp";
	Chart.Debug = true;
	Chart.Title = "Sales for 2002";
	Chart.DefaultSeries.DefaultElement.ShowValue = true;
	
	// This sample will demonstrate how to use the legend box to describe the 'other' element of a 
	// limited series.

	// Setup the data engine	
	DataEngine de = new DataEngine(@"../../database/chartsample.mdb");
	de.StartDate=new System.DateTime(2002,1,1,0,0,0);
    de.EndDate = new System.DateTime(2002,12,31,23,59,59);
    de.SqlStatement= @"SELECT Name,Sum(Quantity) FROM Orders WHERE OrderDate >= #STARTDATE# AND OrderDate <= #ENDDATE#  GROUP BY Orders.Name ORDER BY Sum(Quantity) DESC";
	
	// Limit to 5 elements
	de.Limit = "5";	
	
	// Add the series the the chart
	Chart.SeriesCollection.Add(de.GetSeries());	
	
	// Update the dataEngine to get only the excluded part.
	de.LimitMode = LimitMode.ExcludeTop;
	de.ShowOther = false;
	// Get the new series.
	SeriesCollection mySC2 = de.GetSeries();
	
	// Create a legend box to hold the new series
	LegendBox lb = new LegendBox();
	lb.Template = "%Value %Name";
	lb.HeaderEntry.Visible = true;
	lb.HeaderEntry.Value = "Other";
	lb.Position = new Point(427,105);
	lb.HeaderEntry.Name = "";
	
	// Specify the data source.
	lb.DataSource = DataSource.FromSeriesCollection(mySC2,DataSourceType.Element);
	
	// Add the new legend to the chart.
	Chart.ExtraLegendBoxes.Add(lb);
	
	// So the column differences are more apparent, smart scale break will be activated.
	Chart.YAxis.SmartScaleBreak = true;
	    
}

		</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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