Is there a way to fire a workflow or event receiver for every item before its fetched from a list automatically? I need to update columns on every item every time a user enter the list or open a form. so its not an updating nor deleting nor creating event,its a fetching/getting.
what i need to do is to "link data" from an external source. its just for display purposes. Im planning on calling a stored procedure and updating the item with the current information.
I'm using SharePoint 2013.