Chapter 9. Implementing Business Logic

In This Chapter

• Entity Design

• Default Property Values

• Property Interaction Rules

• Entity Interaction Rules

• Validation Rules

• Saving Changes

• Invoking Business Rules in Web Applications

• Business Rules in the Database

Business logic, also known as domain logic, is code that implements a developer’s interpretation of a business domain where the application is intended to solve one or more problems and address opportunities. Because a particular business domain can be described from different points of view, there are different definitions of what constitutes the business logic. This chapter discusses implementation of logic related to real-life entities, such as Customers, Products, and Orders, ...

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