TemplateControl.XPathSelect Method (String)
.NET Framework 2.0
Evaluates an XPath data-binding expression and returns a node collection that implements the IEnumerable interface.
Namespace: System.Web.UI
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
'Declaration Protected Friend Function XPathSelect ( _ xPathExpression As String _ ) As IEnumerable 'Usage Dim xPathExpression As String Dim returnValue As IEnumerable returnValue = Me.XPathSelect(xPathExpression)
protected IEnumerable XPathSelect ( String xPathExpression )
protected internal function XPathSelect ( xPathExpression : String ) : IEnumerable
Not applicable.
Parameters
- xPathExpression
The XPath expression to evaluate. For more information, see XPathBinder.
Return Value
An IEnumerable node list.The XPathSelect method calls the XPathBinder.Select method using the GetDataItem method to resolve the IXPathNavigable object reference that the expression is evaluated against.
The following code example demonstrates how to use the XPathSelect method in a Repeater control.
<%@ Page Language="VB" %> <!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 id="Head1" runat="server"> <title>TemplateControl XPath Example</title> </head> <body> <h3>TemplateControl XPath and XPathSelect Example</h3> <form id="form1" runat="server"> <div> <asp:XmlDataSource id="XmlDataSource1" runat="server" XPath="contacts" DataFile="contacts.xml" /> <asp:FormView id="FormView1" runat="server" DataSourceID="XmlDataSource1"> <ItemTemplate> <hr /> <asp:Repeater id="Repeater1" runat="server" DataSource='<%# XPathSelect("contact") %>' > <ItemTemplate> Name: <%# XPath("name") %> <br /> Note: <%# XPath("note") %> <br /> <hr /> </ItemTemplate> </asp:Repeater> </ItemTemplate> </asp:FormView> </div> </form> </body> </html>
The following test XML data can be used in the preceding code example.
<contacts>
<contact id="1">
<name>contact name 1</name>
<note>contact note 1</note>
</contact>
<contact id="2">
<name>contact name 2</name>
<note>contact note 2</note>
</contact>
</contacts>
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