Hello World Window
Ext.onReady(function(){
var formPanel = new Ext.form.FormPanel({
title:'DateField Example',
applyTo:'mainContent',
layout:'form',
labelAlign:'top',
width:210,
autoHeight:true,
frame:true,
items:[{
xtype:'datefield',
fieldLabel:'Date of Birth',
name:'dob',
width:190,
allowBlank:false
}]
});
});