// This file locates: "Scripts/Lesson/C1Nav/Disabling.js".
c1.documentReady(function () {
    var tree = wijmo.Control.getControl('#theTree');
 
    document.getElementById('btnDisableNode').addEventListener('click', function (e) {
        var nd = tree.selectedNode;
        if (nd) {
            nd.isDisabled = true;
        }
    });
    document.getElementById('btnEnableAllNodes').addEventListener('click', function (e) {
        for (var nd = tree.getFirstNode() ; nd; nd = nd.next()) {
            nd.isDisabled = false;
        }
    });
});

// This file locates: "Content/css/Lesson/C1Nav/Disabling.css".
/* default trees on this sample */
.demo-control .wj-treeview {
    display:block;
    height: 350px;
    font-size: 120%;
    margin-top: 8px;
    margin-bottom: 8px;
    padding: 6px;
    background: #f0f0f0;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

using System.Web.Mvc;
 
namespace LearnMvcClient.Controllers
{
    public partial class C1NavController : Controller
    {
        // GET: Disabling
        public ActionResult Disabling()
        {
            return View(Models.TreeViewData.GetData(Url));
        }
    }
}

@model IEnumerable<TreeViewData>
 
<h1>
    @Html.Raw(Resources.C1Nav.Disabling_Title)
</h1>
 
<p>
    @Html.Raw(Resources.C1Nav.Disabling_Text1)
</p>
<p>
    @Html.Raw(Resources.C1Nav.Disabling_Text2)
</p>
 
<button id="btnDisableNode" class="btn btn-default">
    @Html.Raw(Resources.C1Nav.Disabling_Text3)
</button>
<button id="btnEnableAllNodes" class="btn btn-default">
    @Html.Raw(Resources.C1Nav.Disabling_Text4)
</button>
 
@Html.C1().TreeView().Id("theTree").Bind(Model).DisplayMemberPath("Header").ChildItemsPath("Items")