Affects Version/s: 12.5, 19.0
Steps to replicate:
1) Login as instructor
2) Create site *with multiple rosters *(at least two sections) with Gradebook
3) Add two gradebook items, enter grades in the grade cells.
4) Click View Columns -> Show only this item on the first item
Expected result: The column chosen with grades will display.
Actual result: Sometimes, the column appears as selected but no grades display, even though they were visible in the column in the full spreadsheet view. Setting the gradebook back to full spreadsheet view (or resetting the Gradebook) brings back the grade display.
Sometimes, the column itself doesn't display - essentially, nothing happens.