Search results

Data Binding in ASP.NET MVC ContextMenu control

29 Jul 2021 / 1 minute to read

To bind local data source to the ContextMenu, menu items are populated from data source and mapped to items property.

The below example demonstrates how to bind local data source to the ContextMenu and separator is added using insertAfter method.

razor
databind.cs
Copied to clipboard
<div id="contextmenutarget">Right click/Touch hold to open the ContextMenu </div>
@Html.EJS().ContextMenu("contextmenu").Target("#contextmenutarget").Items((IEnumerable<object>)ViewBag.menuItems).BeforeItemRender("beforeItemRender").Render()

<script>
    function beforeItemRender(args) {
        if (!args.item.text) {
            args.element.classList.add('e-separator');
       }
    }

</script>

<style>

button {
  margin: 20px 0 0 5px;
}

#target {
  border: 1px dashed;
  height: 150px;
  padding: 10px;
  position: relative;
  text-align: justify;
  color: gray;
  user-select: none;
}

</style>
Copied to clipboard
public IActionResult Index()
        {
            List<object> menuItems = new List<object>();
            menuItems.Add(new
            { 
                id=1,
                text = "View"
            });
            menuItems.Add(new
            {
                id = 2,
                text = "Sort By"
            });
            menuItems.Add(new
            {
                id = 5,
                text = ""
            });
            menuItems.Add(new
            {
                id = 3,
                text = "New"
            });
            menuItems.Add(new
            {
                id = 4,
                text = "Ascending",
                parentId = 2
            });
            ViewBag.menuItems = menuItems;
            return View();
        }