Caching XML Data in an XmlDataSource Control
<%--
Code Revised from
Professional ASP.NET 2.0 XML (Programmer to Programmer) (Paperback)
by Thiru Thangarathinam
# Publisher: Wrox (January 18, 2006)
# Language: English
# ISBN: 0764596772
--%>
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Xml" %>
<script runat="server">
void Page_Load(object sender, EventArgs e)
{
lblCurrentTime.Text = "Current Time is : " + DateTime.Now.ToLongTimeString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Caching XML Data in an XmlDataSource Control</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label Runat="server" ID="lblCurrentTime"></asp:Label>
<asp:GridView ID="GridView1" Runat="server" DataSourceID="XmlDataSource1" AutoGenerateColumns="False">
<Columns>
<asp:BoundField HeaderText="ISBN" DataField="ISBN" SortExpression="ISBN"></asp:BoundField>
<asp:BoundField HeaderText="Title" DataField="Title" SortExpression="Title"></asp:BoundField>
<asp:BoundField HeaderText="Price" DataField="Price" SortExpression="Price"></asp:BoundField>
</Columns>
</asp:GridView>
<asp:XmlDataSource EnableCaching="true" CacheDuration="100" CacheExpirationPolicy="Absolute"
ID="XmlDataSource1" Runat="server" DataFile="Bookstore.xml"
XPath="bookstore/genre[@name='Fiction']/book">
</asp:XmlDataSource>
</div>
</form>
</body>
</html>
<%--
<bookstore>
<genre name="Fiction">
<book ISBN="10-861003-324" Title="title 1" Price="19.99">
<chapter num="1" name="Introduction">
A
</chapter>
<chapter num="2" name="Body">
B
</chapter>
<chapter num="3" name="Conclusion">
C
</chapter>
</book>
<book ISBN="1-861001-57-5" Title="title " Price="24.95">
<chapter num="1" name="Introduction">
D
</chapter>
<chapter num="2" name="Body">
E
</chapter>
<chapter num="3" name="Conclusion">
F
</chapter>
</book>
</genre>
<genre name="NonFiction">
<book ISBN="10-861003-324" Title="title 2" Price="19.99">
<chapter num="1" name="Introduction">
G
</chapter>
<chapter num="2" name="Body">
H
</chapter>
<chapter num="3" name="Conclusion">
I
</chapter>
</book>
<book ISBN="1-861001-57-6" Title="title 3" Price="27.95">
<chapter num="1" name="Introduction">
J
</chapter>
<chapter num="2" name="Body">
K
</chapter>
<chapter num="3" name="Conclusion">
L
</chapter>
</book>
</genre>
</bookstore>
--%>
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