Cache ASP.Net Tutorial

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  4. Using a Sliding Cache Expiration Policy
The cache duration is set to 15 seconds. 
<%@ Page Language="C#" %>
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

    protected void srcProducts_Selecting(object sender, SqlDataSourceSelectingEventArgs e)
    {
        lblMessage.Text = "Selecting data from database";
    }



    DataSource Sliding Cache


    
    

    
            id="lblMessage"
        EnableViewState="false"
        Runat="server" />
            id="grdProducts"
        DataSourceID="srcProducts"
        Runat="server" />
            id="srcProducts"
        EnableCaching="True"
        CacheExpirationPolicy="Sliding"
        CacheDuration="15"
        SelectCommand="SELECT * FROM Products"
        ConnectionString="<%$ ConnectionStrings:Products %>"
        OnSelecting="srcProducts_Selecting"
        Runat="server" />