This sample demonstrates the Grid component with the row spanning feature. In this sample, you will see multiple columns and rows spanning.
enableCellRowSpan
grid option to be enabled to work properly.
colspan
/rowspan
are both using DataView item metadata and are both based on row indexes and will not
update neither keep the row in sync with the data. It is really up to you the user to update the metadata logic of how and where the cells should span.
(i.e: Filtering/Sorting/Paging/... will not change/update the spanning in the grid by itself)