Ext.Msg.confirm("提示", "你确定要删除此记录吗?", function (btnId) {
                    if (btnId == 'yes') {
                        Ext.Ajax.request({
                            url: '@Url.Action("Delete", "Application")',
                            params: {
                                ID: selectIDs
                            },
                            success: function (response) {
                                Ext.Msg.alert('提示', '删除成功');
                                store.load();
                            }
                        });
                    }
                });
是什么原因?如何修改?谢谢!!!