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Crystal Reports by Neil FitzGerald

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CHAPTER 4UNDERSTANDING AND IMPLEMENTING FORMULAS

In this chapter

Introduction

Using the Formula Workshop

Using the Workshop Formula Editor

Creating Formulas with the Formula Expert

Using the Formula Extractor to Create Custom Functions

The Multipass Reporting Process of the Crystal Reports Engine

Troubleshooting

Crystal Reports in the Real World—Custom Functions

INTRODUCTION

Chapter 2, “Selecting and Grouping Data,” introduced the concept of formulas and showed you how to create them and subsequently drop them into a report from the Field Explorer. This chapter explores the Formula Editor in more detail.

Formulas provide great flexibility and power when creating Crystal Reports by enabling you to create derived fields not directly stored in ...

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