1.  2004 Prentice Hall, Inc. All rights reserved. Chapter 24 – Case Study: ASP.NET and XML Outline 24.1 Introduction 24.2 Setup and Message Forum Documents 24.3 Forum Navigation 24.4 Adding Forums 24.5 Forum XML Documents 24.6 Posting Messages 24.7 CSS Document for Forum Pages 24.8 Web Resources

2.  2004 Prentice Hall, Inc. All rights reserved. Objectives In this lesson, you will learn: –To create a Web-based message forum using ASP.NET Pages. –To use XML with ASP.NET. –To be able to add new forums. –To be able to post messages to the message forum. –To use.NET Framework classes to manipulate XML documents. –To use XSLT to transform XML documents.

3.  2004 Prentice Hall, Inc. All rights reserved. 24.1 Introduction Message forums –“virtual” bulletin boards –messages.yahoo.com –web.eesite.com/forums –groups.google.com

4.  2004 Prentice Hall, Inc. All rights reserved. 24.2 Setup and Message Forum Documents Software –Microsoft Internet Information Services (IIS) 5 or 6 –Internet Explorer 6 (for ML and XSLT processing) –MSXML 3.0 or higher (included with IE 6) Main page, default.aspx –Displays list of available message forums

5.  2004 Prentice Hall, Inc. All rights reserved. 24.2 Setup and Message Forum Documents

6.  2004 Prentice Hall, Inc. All rights reserved. 24.2 Setup and Message Forum Documents forums.xml addForum.aspx formatting.xsl addPost.aspx default.aspx forumASP.xml forums.xsl Fig. 24.2Interactions between message forum documents.

7.  2004 Prentice Hall, Inc. All rights reserved. 24.3 Forum Navigation Root element forums Attribute filename –Stores name of XML document contains forum’s messages and markup Attribute DocumentSource –Specifies a path to an XML file to display Attribute TransformSource –Specifies an XSLT document

8.  2004 Prentice Hall, Inc. All rights reserved. Outline forums.xml (1 of 1)

9.  2004 Prentice Hall, Inc. All rights reserved. Outline default.aspx (1 of 2)

10.  2004 Prentice Hall, Inc. All rights reserved. Outline default.aspx (2 of 2)

11.  2004 Prentice Hall, Inc. All rights reserved.

12. Outline forums.xsl (1 of 1)

13.  2004 Prentice Hall, Inc. All rights reserved. 24.4 Adding Forums XmlTextWriter class –Methods and properties for writing XML to a file –WriteStartDocument Writes the start of document –WriteProcessingInstruction Writes a processing instruction to the XML file –WriteStartElement Write first element and names in forum –WriteAttributeString Add attribute filename, and assigns it to the text in fileBox –WriteElementString Creates opening and closing tags of element name and inserts value of nameBox –WriteEndElement Closes most recently declared unclosed element by outputting /> –WriteFullEndElement Write full closing tag to close root element

14.  2004 Prentice Hall, Inc. All rights reserved. Outline forumASP.xml (1 of 1)

15.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (1 of 7)

16.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (2 of 7)

17.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (3 of 7)

18.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (4 of 7)

19.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (5 of 7)

20.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (6 of 7)

21.  2004 Prentice Hall, Inc. All rights reserved. Outline addForum.aspx (7 of 7)

22.  2004 Prentice Hall, Inc. All rights reserved. 24.4 Adding Forums Fig. 24.8New forum on the message board.

23.  2004 Prentice Hall, Inc. All rights reserved. 24.4 Adding Forums Fig. 24.9Initial content of the newly added forum.

24.  2004 Prentice Hall, Inc. All rights reserved. 24.5 Forum XML Documents XSLT document that transforms each forum XML document to XHTML

25.  2004 Prentice Hall, Inc. All rights reserved. Outline Formatting.xsl (1 of 4)

26.  2004 Prentice Hall, Inc. All rights reserved. Outline Formatting.xsl (2 of 4)

27.  2004 Prentice Hall, Inc. All rights reserved. Outline Formatting.xsl (3 of 4)

28.  2004 Prentice Hall, Inc. All rights reserved. Outline Formatting.xsl (4 of 4)

29.  2004 Prentice Hall, Inc. All rights reserved. Outline forumASP- output.html (1 of 4)

30.  2004 Prentice Hall, Inc. All rights reserved. Outline forumASP- output.html (2 of 4)

31.  2004 Prentice Hall, Inc. All rights reserved. Outline forumASP- output.html (3 of 4)

32.  2004 Prentice Hall, Inc. All rights reserved. Outline forumASP- output.html (4 of 4)

33.  2004 Prentice Hall, Inc. All rights reserved. 24.6 Posting Messages addPost.aspx –Posts message to a forum Request.QueryString –Access to variables passed through the query string

34.  2004 Prentice Hall, Inc. All rights reserved. Outline addPost.aspx (1 of 5)

35.  2004 Prentice Hall, Inc. All rights reserved. Outline addPost.aspx (2 of 5)

36.  2004 Prentice Hall, Inc. All rights reserved. Outline addPost.aspx (3 of 5)

37.  2004 Prentice Hall, Inc. All rights reserved. Outline addPost.aspx (4 of 5)

38.  2004 Prentice Hall, Inc. All rights reserved. Outline addPost.aspx (5 of 5)

39.  2004 Prentice Hall, Inc. All rights reserved. 24.6 Posting Messages Fig. 24.13Contents of the Internet and World Wide Web: 3rd Edition forum.

40.  2004 Prentice Hall, Inc. All rights reserved. 24.7 CSS Document for Forum Pages CSS document that formats all documents in the forum application

41.  2004 Prentice Hall, Inc. All rights reserved. Outline style.css (1 of 5)

42.  2004 Prentice Hall, Inc. All rights reserved. Outline style.css (2 of 5)

43.  2004 Prentice Hall, Inc. All rights reserved. Outline style.css (3 of 5)

44.  2004 Prentice Hall, Inc. All rights reserved. Outline style.css (4 of 5)

45.  2004 Prentice Hall, Inc. All rights reserved. Outline style.css (5 of 5)

46.  2004 Prentice Hall, Inc. All rights reserved. 24.8 Web Resources aspnet.4guysfromrolla.com/ www.15seconds.com/focus/XML.htm msdn.microsoft.com/library/default.asp www.xmlforasp.net