Enabling caching on a SqlDataSource control : SqlDataSource Cache « ADO.net Database « ASP.Net






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  2. ADO.net Database
  3. SqlDataSource Cache

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>








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