Delphi Programming Guide
Delphi Programmer 

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Part I - Foundations
  Chapter 1 – Delphi 7 and Its IDE
  Chapter 2 – The Delphi Programming Language
  Chapter 3 – The Run-Time Library
  Chapter 4 – Core Library classes
  Chapter 5 – Visual Controls
  Chapter 6 – Building the User Interface
  Chapter 7 – Working with Forms
Part II - Delphi Object-Oriented Architectures
  Chapter 8 – The Architecture of Delphi Applications
  Chapter 9 – Writing Delphi Components
  Chapter 10 – Libraries and Packages
  Chapter 11 – Modeling and OOP Programming (with ModelMaker)
  Chapter 12 – From COM to COM+
Part III - Delphi Database-Oriented Architectures
  Chapter 13 – Delphi's Database Architecture
  Chapter 14 – Client/Server with dbExpress
  Chapter 15 – Working with ADO
  Chapter 16 – Multitier DataSnap Applications
  Chapter 17 – Writing Database Components
  Chapter 18 – Reporting with Rave
Part IV - Delphi, the Internet, and a .NET Preview
  Chapter 19 – Internet Programming: Sockets and Indy
  Chapter 20 – Web Programming with WebBroker and WebSnap
  Chapter 21 – Web Programming with IntraWeb
  Chapter 22 – Using XML Technologies
  Chapter 23 – Web Services and SOAP
  Chapter 24 – The Microsoft .NET Architecture from the Delphi Perspective
  Chapter 25 – Delphi for .NET Preview: The Language and the RTL
  Appendix A – Extra Delphi Tools by the Author
  Appendix B – Extra Delphi Tools from Other Sources
  Appendix C – Free Companion Books on Delphi
  List of Figures    
  List of tables    
  List of Listings    
  List of Sidebars  

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Chapter 20: Web Programming with WebBroker and WebSnap


The Internet has a growing role in the world, and much of it depends on the success of the World Wide Web, which is based on the HTTP protocol. In Chapter 19, "Internet Programming: Sockets and Indy," we discussed HTTP and the development of client- and server-side applications based on it. With the availability of several high-performance, scalable, flexible web servers, you'll rarely want to create your own. Dynamic web server applications are generally built by integrating scripting or compiled programs within web servers, rather than by replacing them with custom software.

This chapter is entirely focused on the development of server-side applications, which extend existing web servers. I introduced the dynamic generation of HTML pages toward the end of the last chapter. Now you will learn how to integrate this dynamic generation within a server. This chapter is a logical continuation of the last one, but it won't complete this book's coverage of Internet programming; Chapter 21 is devoted to the IntraWeb technology available in Delphi 7, and Chapter 22 gets back to Internet programming from the XML perspective.


To test some of the examples in this chapter, you'll need access to a web server. The simplest solution is to use the version of Microsoft's IIS or Personal Web Server already installed on your computer. My personal preference, however, is to use the free open-source Apache Web Server available at I won't spend much time giving you details of the configuration of your web server to enable the use of applications; you can refer to its documentation for this information.

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