XPath Introduction

XPath Examples

The XPath Expression Builder included in Liquid Studio makes it simple to visualize the results of your XPath Expressions.

Sample XML Data

<?xml version="1.0" encoding="utf-8" ?>
<Catalog>
    <Album artist="The Last Shadow Puppets" title="The Age Of The Understatement">
        <Track rating="4" length="P3M7S">The Age Of The Understatement</Track>
        <Track rating="3" length="P2M18S">Standing Next To Me</Track>
        <Track rating="5" length="P2M26S">Calm Like You</Track>
        <Track rating="3" length="P3M38S">Separate and Ever Deadly</Track>
        <Track rating="2" length="P2M37S">The Chamber</Track>
        <Track rating="3" length="P2M44S">Only The Truth</Track>
    </Album>
    <Album artist="Kings Of Leon" title="Because Of The Times">
        <Track rating="4" length="P7M10S">Knocked Up</Track>
        <Track rating="2" length="P2M57S">Charmer</Track>
        <Track rating="3" length="P3M21S">On Call</Track>
        <Track rating="4" length="P3M09S">McFearless</Track>
        <Track rating="1" length="P3M59S">Black Thumbnail</Track>
    </Album>
</Catalog>

Example XPath Expressions

XPath Expression	Results
Select all the albums: /Catalog/Album
Select the artist attribute for all albums: /Catalog/Album/@artist
Select all the tracks in all albums: /Catalog/Album/Track
Select all albums by the Kings Of Leon: /Catalog/Album[@artist="Kings Of Leon"]
Select all tracks in all albums by the Kings Of Leon: /Catalog/Album[@artist="Kings Of Leon"]/Track
Select the second album: /Catalog/Album[2]
Selects all tracks with a rating greater than '2': /Catalog/Album/Track[@rating>2]
Selects the text for all the tracks: /Catalog/Album/Track/text()

• Document Type Definition (DTD)
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• XML
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• XML Schema (XSD)
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    • Part 1/5 - Defining Elements and Attributes
    • Part 2/5 - Best Practices, Conventions and Recommendations
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    • Part 5/5 - Element Group, AttributeGroup, Any, AnyAttribute

• XML Data Binding
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• XPath
  • An Introduction to XPath