formview control in asp.net2.0

Question

Hi Everybody, I have a formview and in it I have inserted an image button.I have connected both to the access database.I want to display an image there from the database such that whenever the page loads the image should change, I mean i should display a random image from database. I was unable to find out how to do that.So, please help me regarding this problem. also one more thing is thats i am doing this in vb.net instead. Thanks in Advance, Raju