comboBox通过DWR调用更新value
创建store
var store = [];
var combo = new Ext.form.ComboBox({store: store,fieldLabel:'下拉框',//typeAhead: true,mode: 'local',id:'id',name: 'name',anchor:'100%',editable :true,triggerAction: 'all',selectOnFocus:true})DWREngine.setAsync(false);dwrClass.function(parameters,function(data){ store=data;});combo.store.loadData(store);//从传入的数据块中装载数据,并触发load事件。DWREngine.setAsync(false);