$('.check_row').live('click', function (e) {
var topDeviceRoleCode = $("#ddlHeaderDeviceRoleCode").data("kendoDropDownList").value();
//alert(topDeviceRoleCode);
var grid = $("#DeviceDetailsGrid").data("kendoGrid");
var models = [];
//find the selected models
grid.tbody
.find(":checked")
.closest("tr")
.each(function () {
models.push(grid.dataItem(this));
});
//update the models value
for (var i = 0, length = models.length; i < length; i++) {
models[i].set("DeviceRole", topDeviceRoleCode);
}
});

<div id="navigation"> @Html.Action("Navigation", "Core")</div>@{ Html.Kendo().Menu().Name("menu").Items(menu => { menu.Add().Text("Home").Action("Index", "Home"); menu.Add().Text("ACH Entry").Action("ACHEntry", "Home"); menu.Add().Text("CC Entry").Action("CCEntry", "Home"); menu.Add().Text("ACH and CC Search").Action("ACHCCSearch", "Home"); menu.Add().Text("ACH and CC Edit").Action("ACHCCEdit", "Home"); menu.Add().Text("ACH Processing").Action("ACHProcessing", "Home"); menu.Add().Text("CC Processing").Action("CCProcessing", "Home"); menu.Add().Text("ACH and CC On-Hold Report").Action("ACHCCOnHoldReport", "Home"); menu.Add().Text("ACH and CC Activity Search").Action("ACHCCActivitySearch", "Home"); menu.Add().Text("Generate DDA File List").Action("GenerateDDAFileList", "Home"); menu.Add().Text("Series End Report").Action("SeriesEndReport", "Home"); }).Orientation(MenuOrientation.Vertical));}<ul class="k-group" style=""> <li id="idItem1" class="k-item" data-uid="f15ccb0c-f3d8-4a56-bebd-e9d14d2dc877" role="treeitem"> <div class="k-top"> <span class="k-icon k-plus"></span> <span class="k-in"> <span class="k-sprite folder"></span>Item1 </span> </div> <ul class="k-group" style="display: none;"> <li class="customClass k-item k-last" id="CustomId" data-uid="f244d97f-2adb-4e49-b40a-3766dd1eba92" role="treeitem"> <div class="k-bot"> <span class="k-in"> <span class="k-sprite pdf"></span>Sub-Item1 </span> </div> </li> </ul> </li> <li id="idItem2" class="k-item" data-uid="8da3519c-27cd-49e6-a478-6e4cf1ccd3d0" role="treeitem"> <div class="k-mid"> <span class="k-in"> <span class="k-sprite folder"></span>Item2 </span> </div> </li></ul>id="treeName_tv_active"