>>I just tried it...all I had to do was make sure I had hit ENTER after the change....and for safety sake, I click down to the next row. Not sure if that's needed, but I just realized I've always done that out of habit.
>>
>>But no, I didn't need to click SAVE. I made the change, went to another row, and then closed the dialog.
>>
>>Again, have only used that once in a great while, but don't recall ever having a problem with it.
>
>That's the problem. If the table has only record, the change is not committed. In order for the change to be committed, it has to have at least two records so the move into another record makes the save.

In "Edit 200 rows" mode, SSMS always shows an additional row filled with NULLs. You can go to that row to save your changes.