https://feedback.telerik.com/aspnet-ajax/1375470-multicolumn-headers-frozen-column-scroll-and-show-hide-columns
MultiColumn Headers frozen column scroll and show/hide columns
column scrollshow hideheadersfrozencolumns
https://www.burroughshardwoods.com/onlinestore/home/1135-scroll-top-flat-column-set.html
Scroll Top Flat Column Set
Scroll Top Flat Column Set
scroll topflatcolumnset