SMART datagrid v.1 > Classes > DataColumn
(Deprecated. Use mergeGrouped instead.)
Return true if these column cells are included in row grouping of merged mode.
grid.onGrouped = function (grid) {
var col = grid.columnByName('project_id');
if (col.isMergedGrouped()) {
col.setStyleName('merged');
} else {
col.setStyleName('normal');
}
};