tailieunhanh - Module 5: Querying XML

This lesson introduces XPath and the reasons for using it. To understand the rest of the module, the students must understand how XPath expressions are a navigational language for XML documents. Stress that XPath is an XML language that provides access to nodes and their contents, wherever the nodes are located in an XML document. | msdn training Module 5 Querying XML Contents Overview 1 Lesson Introduction to Querying XML Using XPath 2 Lesson Creating and Navigating a Document Cache 9 Lesson Executing Your Query 17 Review 33 Lab Querying XML Documents Using XPath 35 Microsoft Information in this document including URL and other Internet Web site references is subject to change without notice. Unless otherwise noted the example companies organizations products domain names e-mail addresses logos people places and events depicted herein are fictitious and no association with any real company organization product domain name e-mail address logo person place or event is intended or should be inferred. Complying with all applicable copyright laws is the responsibility of the user. Without limiting the rights under copyright no part of this document may be reproduced stored in or introduced into a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise or for any purpose without the express written permission of Microsoft Corporation. Microsoft may have patents patent applications trademarks copyrights or other intellectual property rights covering subject matter in this document. Except as expressly provided in any written license agreement from Microsoft the furnishing of this document does not give you any license to these patents trademarks copyrights or other intellectual property. 2002 Microsoft Corporation. All rights reserved. Microsoft MS-DOS Windows Windows NT Win32 Active Directory ActiveX BizTalk IntelliSense JScript Microsoft Press MSDN SQL Server Visual Basic Visual C and Visual Studio are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners. Module 5 Querying XML iii Instructor Notes Presentation 60 minutes This module explains the process of querying .