Available in the Full Version
Grid > Collapsible Column Groups
This sample uses CTP (Community Technical Preview) features. The API and behavior may change when these features are released with full support.
Collapsible Column Groups is a part of the multi-column headers feature which provides a way to collapse/expand a column group to a smaller set of data. This sample has three multi-column header columns with collapsible groups. "Company Information" and "Phone Information" have two levels while "Address Information" has three levels.