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Listing 25.43 - PollingSQLDataSourceCache.aspx

Listing 25.43 - PollingSQLDataSourceCache.aspx (C#)
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<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

    protected void srcMovies_Selecting(object sender, SqlDataSourceSelectingEventArgs e)
    {
        lblMessage.Text = "Retrieving data from database";
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Polling SQL DataSource Cache</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    <asp:Label
        id="lblMessage"
        EnableViewState="false"
        Runat="server" />
    <hr />
    
    <asp:GridView
        id="grdMovies"
        DataSourceID="srcMovies"
        Runat="server" />
    
    <asp:SqlDataSource
        id="srcMovies"
        ConnectionString="<%$ ConnectionStrings:Movies %>"
        SelectCommand="SELECT Title, Director FROM Movies"
        EnableCaching="true"
        SqlCacheDependency="MyDatabase:Movies"
        OnSelecting="srcMovies_Selecting"
        Runat="server" />
    
    </div>
    </form>
</body>
</html>