📄 outputcache.aspx
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<%@ Page Language="C#" debug="true" Description="dotnetCHARTING Component"%>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Outputcache Duration = "10" Varybyparam = "none"%>
<script runat="server">
SeriesCollection getRandomData()
{
SeriesCollection SC = new SeriesCollection();
Random myR = new Random();
for(int a = 1; a < 5; a++)
{
Series s = new Series();
s.Name = "Series " + a;
for(int b = 1; b < 6; b++)
{
Element e = new Element();
e.Name = "E " + b;
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}
void Page_Load(Object sender,EventArgs e)
{
//Set file name
Chart.FileName ="outputcachesample";
// Set the title to the current time
DateTime Dt = DateTime.Now;
Chart.Title="This chart was created at "+Dt.ToString();
Response.Write("This page was created at "+Dt.ToString());
// Set the x axis label
Chart.ChartArea.XAxis.Label.Text="X Axis Label";
// Set the y axis label
Chart.ChartArea.YAxis.Label.Text="Y Axis Label";
// Set the directory where the images will be stored.
Chart.TempDirectory="temp";
// Set the bar shading effect
Chart.ShadingEffect = true;
// Set he chart size.
Chart.Width = 600;
Chart.Height = 350;
Chart.Debug=true;
// Add the random data.
Chart.SeriesCollection.Add(getRandomData());
}
</script>
<HTML><HEAD><TITLE>Output Cache Sample</TITLE></HEAD>
<BODY>
<DIV align=center>
<dotnet:Chart id="Chart" runat="server"/>
<font size="2" face="Arial">Refresh this chart, it will be cached for 10 seconds then a new chart will be created. You will also see that page render and chart render are both cached and syncronized. See <a href="fragmentcache.aspx">fragmentcache</a> for a sample where the chart image is cached but the page contents are not.
</font>
</DIV>
</BODY>
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