CHAPTER 10
Validation with Type Conversion and Formatting
In an enterprise application, validation is critical. The purpose of validation is to verify that the data being processed fulfills all predefined business requirements as well as to ensure the data integrity and usefulness in other layers of the application.
In application development, data validation is always mentioned alongside conversion and formatting. The reason is that the format of the source of data most likely is different from the format being used in the application. For example, in a web application, a user enters information in the web browser front end. When the user saves ...
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