AjaxOnlyAttribute.cs

//  Copyright (c) 2018, Jordi Corbilla
//  All rights reserved.
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using System;
using System.Reflection;
using System.Web.Mvc;

namespace easyTimeSheets.MVC
{
    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
    public sealed class AjaxOnlyAttribute : ActionMethodSelectorAttribute
    {
        public override bool IsValidForRequest(ControllerContext controllerContext, MethodInfo methodInfo)
        {
            if (controllerContext == null)
                throw new ArgumentNullException(nameof(controllerContext));

            return controllerContext.RequestContext.HttpContext.Request.IsAjaxRequest();
        }
    }
}