Материал из .Net Framework эксперт
Enabling caching on a SqlDataSource control
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:SqlDataSource ID="SqlDataSource1"
Runat="server"
SelectCommand="SELECT * FROM [Customers]"
ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"
DataSourceMode="DataSet"
ConflictDetection="CompareAllValues"
EnableCaching="True"
CacheKeyDependency="SomeKey"
CacheDuration="Infinite">
<SelectParameters>
<asp:QueryStringParameter Name="CustomerID"
QueryStringField="id" Type="String"></asp:QueryStringParameter>
</SelectParameters>
</asp:SqlDataSource>
</div>
</form>
</body>
</html>
File: Web.config
<configuration>
<appSettings/>
<connectionStrings>
<add name="AppConnectionString1"
connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<compilation debug="true" strict="false" explicit="true">
<codeSubDirectories>
<add directoryName="VB"></add>
<add directoryName="CS"></add>
</codeSubDirectories>
</compilation>
<pages>
<namespaces>
<clear/>
<add namespace="System"/>
<add namespace="System.Collections"/>
<add namespace="System.Collections.Specialized"/>
<add namespace="System.Configuration"/>
<add namespace="System.Text"/>
<add namespace="System.Text.RegularExpressions"/>
<add namespace="System.Web"/>
<add namespace="System.Web.Caching"/>
<add namespace="System.Web.SessionState"/>
<add namespace="System.Web.Security"/>
<add namespace="System.Web.Profile"/>
<add namespace="System.Web.UI"/>
<add namespace="System.Web.UI.WebControls"/>
<add namespace="System.Web.UI.WebControls.WebParts"/>
<add namespace="System.Web.UI.HtmlControls"/>
</namespaces>
</pages>
<authentication mode="Windows"></authentication>
<identity impersonate="true"/>
</system.web>
</configuration>