Book Image

Ext JS 3.0 Cookbook

Book Image

Ext JS 3.0 Cookbook

Overview of this book

Using Ext JS you can easily build desktop-style interfaces in your web applications. Over 400,000 developers are working smarter with Ext JS and yet most of them fail to exercise all of the features that this powerful JavaScript library has to offer. Get to grips with all of the features that you would expect with this quick and easy-to-follow Ext JS Cookbook. This book provides clear instructions for getting the most out of Ext JS with and offers many exercises to build impressive rich internet applications. This cookbook shows techniques and "patterns" for building particular interface styles and features in Ext JS. Pick what you want and move ahead. It teaches you how to use all of the Ext JS widgets and components smartly, through practical examples and exercises. Native and custom layouts, forms, grids, listviews, treeviews, charts, tab panels, menus, toolbars, and many more components are covered in a multitude of examples.The book also looks at best practices on data storage, application architecture, code organization, presenting recipes for improving themóour cookbook provides expert information for people working with Ext JS.
Table of Contents (15 chapters)
Ext JS 3.0 Cookbook
About the Author
About the Reviewer

Chapter 5. Using Grid Panels to Display and Edit Tabular Data

The following recipes will be covered in this chapter:

  • Displaying XML data sent by the server

  • Displaying JSON data generated by the server

  • Creating a grid that uses server-side sorting

  • Implementing data paging

  • Data grouping with live group summaries

  • Creating data previews

  • Creating a grid panel with expandable rows

  • Using checkboxes to select grid rows

  • Numbering rows in a grid panel

  • Changing grid panel data using cell editors

  • Automatic uploading of data edited with a grid

  • Performing batch uploads of data edited with a grid

  • Changing a grid's data store and columns at runtime


This chapter focuses on how data is displayed using Ext JS grid panels. It examines data paging and grouping, implementation of live summaries and previews, in-place editing of data, and different approaches to sending data back to the server.

In this chapter you will also learn how to augment the grid panel's features using different plugins.