1- Create Error Page 

2- Write Some Code
 
@model
System.Web.Mvc.HandleErrorInfo
@{
    ViewBag.Title = "Error";
    Layout = "~/Views/Shared/_Layout.cshtml";
}
<div class="col-md-12" id="Page">
    <h3 class="text-center home-heding"> Error exception handling </h3>
    <div class="row" id="productpage">
        <div class="col-md-12 col-lg-12 col-sm-12 col-xs-12 orderbtn-box">
            <div class="col-md-12 col-lg-12 col-sm-12 col-xs-12 home-container" id="ProductPage">
                <div class="col-md-12 col-lg-12 col-sm-12 col-xs-12 " style="margin-top: 20px;">
                    <h2 class="text-center">500</h2>
                </div>
                <div class="col-md-12 col-lg-12 col-sm-12 col-xs-12">
                    <h2 class="text-center">Sorry An Error Has Occurred.</h2>
                </div>
               
                <div class="col-md-12 col-lg-12 col-sm-12 col-xs-12">
                     <hr />
                    <h4 class=" text-center">
                    @Url.RequestContext.RouteData.Values["Message"].ToString()</h4>
                </div>
            </div>
        </div>
    </div>
</div>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace Myproject.Models
{
    public class ErrorHandling : HandleErrorAttribute, IExceptionFilter
    {
        void IExceptionFilter.OnException(ExceptionContext filterContext)
        {
            Exception e = filterContext.Exception;
            //Log Exception e
            filterContext.ExceptionHandled = true;
            filterContext.RouteData.Values.Add("Message", e.Message.ToString());
            filterContext.Result = new ViewResult()
            {
                ViewName = "Error"
            };
        }
    }
}

namespace Myproject.Controllers
{
    [ErrorHandling]
    public class HomeController : Controller
    { 
        public ActionResult Index()
        {
               int a = 0;
                int b=2;
                int c = b/a;
               return View();
        }
    }
}