BoC.Web.Mvc.Extensions.HttpRequestBaseExtensions.IsJqAjaxRequest C# (CSharp) Method

        public static bool IsJqAjaxRequest(this HttpRequestBase request)
        {
            RouteData routeData = RouteTable.Routes.GetRouteData(new HttpContextWrapper(HttpContext.Current));

            return request != null && request.QueryString != null && request.Headers != null &&
                (      "true".Equals(routeData.DataTokens["__mvcajax"])
                    || "true".Equals(request.QueryString["__mvcajax"])
                    || !String.IsNullOrEmpty(request.Headers["Ajax"])
                    || "XMLHttpRequest".Equals(request.Headers["X-Requested-With"], StringComparison.InvariantCultureIgnoreCase)
                );
        }