326 CHAPTER 7: Rapid Web Development with Grails
You can create or add a new book by clicking New Book. Figure 7-22 shows the screen for creating
a new book. Figure 7-22 also shows validation in action for which you did not have to write any
code. The code for this validation was included in the domain class Book, as illustrated in Listing 7-9
on lines 8 to 11.
Figure 7-21. Book List view
Figure 7-22. Create view with validation in action
Figure 7-23 illustrates creating a new book by fulfilling all validations.