Delphi Programming Guide
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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
       
  Index    
  List of Figures    
  List of tables    
  List of Listings    
  List of Sidebars  

 
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Chapter 18: Reporting with Rave

Overview

Database applications let you view and edit data, but quite often their output should be physically printed to paper. Technically, Delphi supports printing in many different ways, from direct text output to the use of the printer Canvas, from sophisticated database reporting to the generation of documents in various formats (from Microsoft's Word to Sun's OpenOffice). In this chapter we'll focus exclusively on reports and in particular on the use of the third-party reporting Rave engine included in Delphi 7. If you are interested in other Delphi techniques for driving the printer, see the related material on my website (discussed in Appendix C, "Free Companion Books on Delphi").

Reporting tools are important because they can perform complex processing by themselves: the reporting subsystem can become a stand-alone application. Although this chapter focuses on how you can produce a report from the dataset within your Delphi programs, you should always keep in mind the autonomous nature of reports evaluating such a tool.

Reports must be created with care, because they represent a user interface for your applications that goes beyond and is sometimes more significant than the software itself. Many more people will probably look at the printed reports than just the users who produce the reports using the programs. For this reason, it's important to have good-quality reports and a flexible architecture to let users customize them.

Note 

This chapter was written with the help of Jim Gunkel of Nevrona Designs, the company that developed the Rave engine.


 
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