📄 chartareadb.aspx
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<%@ Page Language="C#" 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">
void Page_Load(Object sender,EventArgs e)
{
//set global properties
Chart.Title="2002 Sales (mouseover for sales amount)";
Chart.Size = "600X300";
Chart.TempDirectory="temp";
Chart.Debug=true;
Chart.YAxis.FormatString = "c";
Chart.NoDataText = "Click a sales persons yearly total to view a breakdown by months";
//force vertical chart area layout
Chart.ChartAreaLayout.Mode = ChartAreaLayoutMode.Vertical;
//create a DataEngine to obtain data for two different series
DataEngine de = 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);
//get a series for the default chart area and set its url for drilldown
de.SqlStatement= @"SELECT Name, sum(Total) FROM Orders WHERE OrderDate >= #STARTDATE# AND OrderDate <= #ENDDATE# GROUP BY Orders.Name ORDER BY Orders.Name";
SeriesCollection sc = de.GetSeries();
sc[0].DefaultElement.URL = "chartareadb.aspx?elementname=%ElementName";
sc[0].DefaultElement.ToolTip = "%Value";
Chart.SeriesCollection.Add(sc);
// Create the second chart area and add a series to its series collection.
ChartArea ca2 = new ChartArea();
//Add a series based on the person selected
string en = Request.QueryString["elementname"];
de.SqlStatement= @"SELECT Orders.OrderDate, Sum(Total) FROM Orders WHERE Orders.Name='"+en+"' AND OrderDate >= #STARTDATE# AND OrderDate <= #ENDDATE# GROUP BY Orders.OrderDate ORDER BY Orders.OrderDate";
de.DateGrouping = TimeInterval.Year;
SeriesCollection sc2 = de.GetSeries();
Chart.DefaultSeries.DefaultElement.ToolTip = "%Value";
ca2.XAxis.Label.Text = en + "'s 2002 monthly breakdown";
ca2.SeriesCollection.Add(sc2);
// Add the new area to the chart.
Chart.ExtraChartAreas.Add(ca2);
}
</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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