Grouping data together helps present the information clearly to users. Ext JS 4 provides a grouping feature (
Ext.grid.feature.Grouping) that groups records using the Store's
groupers and displays a title for each group:
To demonstrate the grouping feature we will group all invoices by Client.
We are going to use the Invoice example that we have used throughout this chapter so we will start by including the Model and Store files to our HTML page:
Now that you have included ...