public class MyCustomerFilterAttribute : ActionFilterAttribute    {        public string Message { get; set; }        public override void OnActionExecuted(ActionExecutedContext filterContext)        {            base.OnActionExecuted(filterContext);            filterContext.HttpContext.Response.Write(string.Format( "<br/> {0} Action finish Execute.....",Message));        }        public override void OnActionExecuting(ActionExecutingContext filterContext)        {            CheckMessage(filterContext);            filterContext.HttpContext.Response.Write(string.Format("<br/> {0} Action start Execute.....", Message));            base.OnActionExecuting(filterContext);        }        public override void OnResultExecuted(ResultExecutedContext filterContext)        {            filterContext.HttpContext.Response.Write(string.Format("<br/> {0} Action finish Result.....", Message));            base.OnResultExecuted(filterContext);        }        public override void OnResultExecuting(ResultExecutingContext filterContext)        {            filterContext.HttpContext.Response.Write(string.Format("<br/> {0} Action start Execute.....", Message));            base.OnResultExecuting(filterContext);        }        private void CheckMessage(ActionExecutingContext filterContext)        {             if(string.IsNullOrEmpty( Message)||string.IsNullOrWhiteSpace(Message))                Message = filterContext.Controller.GetType().Name + "‘s " + filterContext.ActionDescriptor.ActionName;        }    }