the checker column width will tool long.


Code:
Ext.define('Company', {
extend: 'Ext.data.Model',
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'},
{name: 'industry'},
{name: 'desc'}
]
});
// Array data for the grids
Ext.grid.dummyData = [
['3m Co',71.72,0.02,0.03,'9/1 12:00am', 'Manufacturing'],
['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am', 'Manufacturing'],
['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am', 'Manufacturing'],
['American Express Company',52.55,0.01,0.02,'9/1 12:00am', 'Finance'],
['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am', 'Services'],
['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am', 'Services'],
['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am', 'Manufacturing'],
['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am', 'Services'],
['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am', 'Finance'],
['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am', 'Manufacturing'],
['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am', 'Manufacturing'],
['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am', 'Manufacturing'],
['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am', 'Automotive'],
['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am', 'Computer'],
['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am', 'Manufacturing'],
['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am', 'Computer'],
['International Business Machines',81.41,0.44,0.54,'9/1 12:00am', 'Computer'],
['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am', 'Medical'],
['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am', 'Finance'],
['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am', 'Food'],
['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am', 'Medical'],
['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am', 'Computer'],
['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am', 'Medical'],
['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am', 'Food'],
['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am', 'Retail'],
['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am', 'Manufacturing'],
['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am', 'Computer'],
['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am', 'Services'],
['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am', 'Retail'],
['Walt Disney Company (The) (Holding Company)',29.89,0.24,0.81,'9/1 12:00am', 'Services']
];


// add in some dummy descriptions
for(var i = 0; i < Ext.grid.dummyData.length; i++){
Ext.grid.dummyData[i].push('Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Sed metus nibh, sodales a, porta at, vulputate eget, dui. Pellentesque ut nisl. ');
}




Ext.QuickTips.init();


var getLocalStore = function() {
return Ext.create('Ext.data.ArrayStore', {
model: 'Company',
data: Ext.grid.dummyData
});
};
////////////////////////////////////////////////////////////////////////////////////////
// Grid 2
////////////////////////////////////////////////////////////////////////////////////////
var plugin = Ext.create('Ext.grid.plugin.CellEditing', {
clicksToEdit : 1
})
var sm = Ext.create('Ext.selection.CheckboxModel');
var grid2 = Ext.create('Ext.grid.Panel', {
store: getLocalStore(),
selModel: sm,
plugins : [plugin],
columns: [
{text: "Company", width: 200, dataIndex: 'company'},
{text: "Price", renderer: Ext.util.Format.usMoney, dataIndex: 'price'},
{text: "Change", dataIndex: 'change'},
{text: "% Change", dataIndex: 'pctChange'},
{text: "Last Updated", width: 135, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
columnLines: true,
width: 600,
height: 300,
frame: true,
title: 'Framed with Checkbox Selection and Horizontal Scrolling',
iconCls: 'icon-grid',
margin: '0 0 20 0',
renderTo: Ext.getBody()
});