How to Fire Accordion Event on Button click Event

I am in a Situation where on click event of button i need to perform some operation on gridview ,but this gridview is inside accordion, so i though if i would be able to fire AccordionItemEventArgs there my grid will get bind so rowdatabound will get fire so there i can perform what ever operation i want to do in gridview . but i dont have any clue have to fire accordion ItemEventArgs Event on Button Click Event.

Please Help !!!