Hi Jaimie
Yes, you can use QueryCellInfo() to load the cells but you have to declare the ResizeColumnToFit() after the querycell. This would help you in fitting the grid to the data in the cell.
Please refer with the below sample for your reference.
http://www.syncfusion.com/uploads/redirect.aspx?file=GC-QueryCell-95279_9ac8c961.zip&team=developmentLet us know if you need any other details.
Regards
Jeraldes J