Gridster当添加另一个窗口小部件和当前窗口小部件时，当前窗口小部件的位置未保存在数据库中

I am using gridster.js. When i am adding a new widget,current widget moves down as per the requirement.But how and where can i get the changed position of the moved widget to save that in db?I am using gridster.js. When i am adding a new