or
337.function groupCells(count) {338. return new Array(count + 1).join('<td class="k-group-cell"> </td>');339.}groupCellTemplate:string|object (default: ' ')@(Html.Kendo().Grid<ItemModel>(Model) .Name("Grid") .Columns(columns => { columns.Bound(p => p.Name).Title("Name"); }))class ItemModel{ string Name; Item Items[];}class Item{ string Name; DateTime Created;}