⛔ DEPRECATED. This example demonstrated how to implement the cell merge feature for the ASPxGridView control. Starting with v16.1, this functionality is available out of the box. Set the ASPxGridView.SettingsBehavior.AllowCellMerge or GridViewDataColumn.Settings.AllowCellMerge property to True
to activate it.
You can try this functionality in the following online demo: