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Updating a listview without refreshing it

Last Modified: 2015-03-26
I have a listview that retrieves its data from an sql database.  The sql database has sql dependency enabled and works great!  The problem I have is when the sql dependency runs, it refreshes the listview and sometime causes a null exception when a user clicks on an item in the listview to pull up the information for that record while the listview refresh is running.  I want to know if there is a way to instead of clearing the listview and adding the items back to the listview can you just add or remove items based on the query ran.  Any help and guidance on this issue is greatly appreciated!!

Thanks in advance,
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