Calculate totals for more then 1 column in Ultragrid (Infralogistics)

Hi,

I use the code below to get the total of the column boxes in an UltraGrid and this works fine.
Dim columnToSummarize As UltraGridColumn = e.Layout.Bands(0).Columns("Boxes")
Dim summary As SummarySettings = e.Layout.Bands(0).Summaries.Add("GrandTotal", SummaryType.Sum, columnToSummarize)

However I would also like to show the total net weight in the same Ultragrid. I have tried to change and copy the code above, but no luck.

Does someone know if and how this is possible to show a second total?
Regards, MBStart Free Trial