这段代码会实现无刷新加载么

这段代码能实现无刷新加载么

                var name = document.getElementById('TextBox1');
                function Source() {
                    if (name.length > 0) {
                        Ext.Ajax.request({
                            url: '../webService/emp_base.asmx/Getpart',
                            params: { data: name },
                            method: "POST"

                        });
                    }
                }
                document.getElementById('ListBox1').value = Source;