ext修改前传值到表单的问题

Question

在ext中的grid的tbar中加入了修改按钮，点击修改按钮后弹出表单窗口，怎么把grid中要修改的值传入该表单窗口，希望大家帮帮我！谢谢

Answer 1

var record=grid.getSelectionModel().getSelected();
formPanel.form.setValues({
'test.id':record.data.id, 'test.amount':record.get("amount"),
'test.pack.id':record.get("packId")
});