Gallery
Outputcache
<%@ Page Language="C#" 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 xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Output Cache Sample</title>
</head>
<body>
<div style="text-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>
</html>
<%@ Page Language="vb" Description="dotnetCHARTING Component"%>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Outputcache Duration = "10" Varybyparam = "none"%>
<script runat="server">
Function getRandomData() As SeriesCollection
Dim SC As SeriesCollection = New SeriesCollection()
Dim myR As Random = New Random()
For a As Integer = 1 To 4
Dim s As Series = New Series()
s.Name = "Series " & a
For b As Integer = 1 To 5
Dim e As Element = New Element()
e.Name = "E " & b
e.YValue = myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
Return SC
End Function
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
'Set file name
Chart.FileName ="outputcachesample"
' Set the title to the current time
Dim Dt As DateTime = 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())
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Output Cache Sample</title>
</head>
<body>
<div style="text-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>
</html>
- Sample FilenameOutputcache.aspx
- VersionLegacy (Pre 3.0)
- Uses DatabaseNo