GridView with visible summary cells in a collapsed group

|Article relates to|Last modified|Product|Author| |----|----|----| |Q1 2012|20.07.2015|Telerik UI for WinForms|Ivan Petrov|

Problem

The attached project will demonstrate how to extend the group row with cells displaying the top summary cells values while the group is being collapsed.

Solution

A complete solution in C# and VB.NET can be found here.