複選框的ext js

function getComboBoxMpCsnList(){
var comboBoxCsnList= new Ext.form.ComboBox({
fieldLabel: '狀態',
mode:'local',
id:'mpCsnListState',
triggerAction:'all',
blankText:'全部',
emptyText:'全部',
triggerAction: 'all',
editable: false,
displayField:"text",
valueField:"value",
anchor:'90%',
store: new Ext.data.SimpleStore(
{
fields: ['value', 'text'],
data: [['1','啓用'],['0','凍結'],[null, '全部']]
})
})
return comboBoxCsnList;
}