Capturing Item clicks in listview vb.net -

i'm using following record items have been checked in listview.

 dim tert new arraylist         each item in lvt.checkeditems             tert.add(item.text)         next         dim message = string.join(environment.newline, tert.toarray()) 

the problem 1 item behind. example when check first item shows blank, second item shows first item , on.

i'm using variable in oledb query having dynamic where clause need able capture clicks