WebRoot/FusionChartsFree/Contents/ASP_Drill.html
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<title>FusionCharts Free Documentation</title>
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<table width="98%" border="0" cellspacing="0" cellpadding="3" align="center">
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<td><h2 class="pageHeader">Using FusionCharts with ASP > Creating Drill-down charts </h2></td>
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<td valign="top" class="text"><p>In our previous example, we had used FusionCharts to plot a chart using data stored in database. We'll now extend that example itself to create a drill-down chart which can show more information.</p>
<p><strong>Before you go further with this page, we recommend you to please see the previous sections like "Basic Examples", Creating Data from Array" as we start off from concepts explained in those pages. </strong></p>
<p>If you recall from previous example, we were showing the sum of factory output in a pie chart as under: </p></td>
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<td valign="top" class="text"><img src="Images/Code_DBOut.jpg" class="imageBorder" /></td>
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<td valign="top" class="text">In this example, we'll extend this example, so that when a user clicks on a pie slice for a factory, he can drill down to see date wise production for that factory. </td>
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<td valign="top" class="text"> </td>
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<td valign="top" class="header">Setting up the pie chart for Link </td>
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<td valign="top" class="text">To set up the pie chart to enable links for drill-down involves just minor tweaking of our previous <span class="codeInline">BasicDBExample.asp</span>. We basically need to add the <span class="codeInline">link</span> attribute for each<span class="codeInline"> <set></span> element. We create a new page <span class="codeInline">Default.asp</span> (in<span class="codeInline"> DB_DrillDown</span> folder) from the previous page with the following code changes:
<p class="highlightBlock">The code examples contained in this page are contained in<span class="codeInline"> Download Package > Code > ASP > DB_DrillDown</span> folder. </p></td>
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<td valign="top" class="codeBlock"><p><%@ Language=VBScript %><br />
<HTML><br />
<HEAD><br />
<TITLE> FusionCharts Free - Database and Drill-Down Example </TITLE><br />
<SCRIPT LANGUAGE="Javascript" SRC="../../FusionCharts/FusionCharts.js"></SCRIPT><br />
</HEAD><br />
<!-- #INCLUDE FILE="../Includes/FusionCharts.asp" --><br />
<!-- #INCLUDE FILE="../Includes/DBConn.asp" --><br />
<BODY><br />
<%<br />
<span class="codeComment">'In this example, we show how to connect FusionCharts to a database.<br />
'For the sake of ease, we've used an Access database which is present in<br />
'../DB/FactoryDB.mdb. It just contains two tables, which are linked to each<br />
'other. <br />
<br />
'Database Objects - Initialization</span><br />
Dim oRs, oRs2, strQuery<br />
<span class="codeComment">'strXML will be used to store the entire XML document generated</span><br />
Dim strXML<br /><br/> <span class="codeComment">'Create the recordset to retrieve data</span><br />
Set oRs = Server.CreateObject("ADODB.Recordset")</p>
<p> <span class="codeComment">'Generate the graph element</span><br />
strXML = "<graph caption='Factory Output report' subCaption='By Quantity' decimalPrecision='0' showNames='1' numberSuffix=' Units' pieSliceDepth='30' formatNumberScale='0' >"<br />
<br />
<span class="codeComment"> 'Iterate through each factory</span><br />
strQuery = "select * from Factory_Master"<br />
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