Hello, Еrwin,
It would be greatly appreciated if you can provide more details about the exact requirement that you want to cover in RadGridView.
I have reviewed the following demo: https://demos.telerik.com/kendo-ui/grid/column-menu
The columns context menu is illustrated below:
It seems to allow grouping the columns in the menu: https://docs.telerik.com/kendo-ui/controls/data-management/grid/columns/column-menu#group
Could you please confirm whether it is the functionality you need to see in RadGridView?
Regards,
Dess | Tech Support Engineer, Principal
Progress Telerik
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