Get SaleOrder which contain ItemId

Hi all, I’m newbie in dynamic AX, and I’m having a problem when I wok with Item.

I have list of item and a menu with “View Order” function. When I select an item in girdview and click “View Order”, I want to show all orders contain that Item. I don’t know how to pass ItemId from Enterprise portal to AX.

Anybody have solution with this problem ??

Thanks so much !