Disable a DropDownButton

11 Apr 20223 minutes to read

DropdownButton component can be enabled or disabled by giving disabled property. To disable DropdownButton component, the disabled property can be set as true.

@Html.EJS().DropDownButton("disabled").Content("Message").Items((IEnumerable<object>)ViewBag.items).IconCss("ddb-icons e-message").Render()
@Html.EJS().Button("onDisable").CssClass("e-primary").Content("Disable").Render()

<script>
    document.getElementById('onDisable').onclick = function () {
        var dropdownObj = ej.base.getInstance(document.getElementById('disabled'), ej.splitbuttons.DropDownButton);
        dropdownObj.disabled = true;
    }
</script>


<style>
/* csslint ignore:start */
@@font-face {
  font-family: 'e-db-icons';
  src:
  url(data:application/x-font-ttf;charset=utf-8;base64,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) format('truetype');
  font-weight: normal;
  font-style: normal;
}
/* csslint ignore:stop */

.ddb-icons {
  font-family: 'e-db-icons' !important;
  speak: none;
  font-size: 55px;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.e-message::before {
  content: '\e703';
}

button {
  margin: 25px 5px 20px 20px;
}

</style>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace WebApplication1.Controllers
{
    public class DropDownButtonController : Controller
    {
        public ActionResult DEisabled()
        {
            List<object> items = new List<object>();
            items.Add(new
            {
                text = "Edit"
            });
            items.Add(new
            {
                text = "Delete"
            });
            items.Add(new
            {
                text = "Mark as Read"
            });
            items.Add(new
            {
                text = "Like Message"
            });
            ViewBag.items = items;
            return View();
        }
    }
}