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Underline a character in the item text

Underline a particular character in a text can be handled in beforeItemRenderevent by adding <u> tag in between the text and given as innerHTML in li rendering.

In the following example, C is underlined in the text Copy.

razor
underline.cs
@Html.EJS().DropDownButton("ddbtn").Content("Clipboard").Items((IEnumerable<object>)ViewBag.items).BeforeItemRender("itemRender").Render()

<style>
    button {
      margin: 25px 5px 20px 20px;
    }
</style>

<script>
function itemRender(args){
    if (args.item.text === 'Copy') {
        //To underline a particular text.
        args.element.innerHTML = '<u>C</u>opy';
    }
}
</script>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Syncfusion.EJ2.Buttons;
namespace EJ2CoreSampleBrowser.Controllers.Button
{
    public partial class ButtonController : Controller
    {
        public ActionResult DropDownButton()
        {
            List<object> items = new List<object>();
            items.Add(new
            {
                text = "Cut"
            });
            items.Add(new
            {
                text = "Copy"
            });
            items.Add(new
            {
                text = "Paste"
            });
            ViewBag.items = items;
            return View();
        }
    }
}