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Ext JS 4 First Look by Loiane Groner

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Chapter 5. Upgraded Grid, Tree, and Form

So far, we have covered new API, system enhancements and changes, the new data package, and layouts; we also introduced the new chart package. But, the main pieces of Ext JS framework we use when we develop an Ext application are the components such as Grid panel, Tree panel, and Forms, because the main goal of an application is to display and manage data.

In this chapter, we will cover some new features and enhancements in the following Components:

  • Grid panel
  • Tree panel
  • Form panel

Grid panel

The grid panel is one of the most-used components when developing an application. Ext JS 4 provides some great improvements related to this component.

The Ext JS 4 Grid panel renders a different HTML than Ext JS 3 Grid did. ...

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