In this chapter, we covered how to create, update, delete, and list all the users from our application.

While we developed this module, we covered some important Ext JS concepts and some features introduced in Ext JS 5. We developed this module using MVVM, and we covered some other ModelView capabilities, such as data binding. We learned how to use a schema in the Model and validate a form using Model validation. We also explored a new HTML5 feature for the file upload preview capability, which is another example of how we can use other technologies along with Ext JS.

In this next chapter, we will implement the MySQL table management module, which means we will implement a screen very similar to the Edit table data screen that we find in the MySQL Workbench application.