public ActionResult EliminarExamen(string idExamen)
        {
            IAnalitoBl analitoBl = new AnalitoBl();

            ViewBag.analitoList = analitoBl.GetAnalitos();

            List <ExamenVd> examenList      = (List <ExamenVd>) this.Session["examenVdList"];
            List <ExamenVd> newExamenVdList = new List <ExamenVd>();

            foreach (ExamenVd examenVd in examenList)
            {
                if (examenVd.examen.idExamen != Guid.Parse(idExamen))
                {
                    newExamenVdList.Add(examenVd);
                }
            }

            this.Session["examenVdList"] = newExamenVdList;

            var model = newExamenVdList;

            return(PartialView("_AgregarExamenTabla", model));
        }