Today’s author, John Campbell, a Program Manager on the Excel Services team, shows us the quick and easy way to get external data access working with your Excel Services spreadsheets. I have seen a lot of great blog posts that tell folks how to do great things with refreshed data in an Excel spreadsheet using Excel Services. I’ve seen posts about slicing dashboard pages, about using .odc files to manage data, and more. One thing that continues to be an issue is how to get connected to that data in...