The functionality in Excel’s PowerPivot is wonderful. My favorite is the ability to add columns that contain functions, and I use this frequently for client reports.
So, this is all great. New functionality, happy clients . . . however, when I create a powerpivot data model that overlays the pivot table I display, I can no longer edit my data connection in the pivot table! This is an issue whenever I want to add a new column from the database, add hard-coded filters, etc.
Here’s where it’s hiding. Open the PowerPivot. Click on the Design tab and select Table Properties.
Your connection string will appear in edit-able format. Modify, save and enjoy!
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