public ActionResult Login(EMPLEADOS empleado)
    {
            using (ConnectionContext db = new ConnectionContext())
            {
                var usr = db.EMPLEADOS.Where(u => u.USERNAME == empleado.USERNAME && u.PASSWORD == empleado.PASSWORD).FirstOrDefault();
                if (usr != null)
                {
                int wea = db.Database.ExecuteSqlCommand("SELECT ID FROM dbo.EMPLEADOS WHERE USERNAME = @empleado.USERNAME");
                    Session["ID"] = wea.ToString();
                    Session["USERNAME"] = empleado.USERNAME.ToString();
                    return RedirectToAction("Logeado");
                }
                else
                {
                    ModelState.AddModelError("", "Usuario o Contraseña invalido");
                }
            }
        return View();
    }