public ActionResult Edit([Bind(Include = "idmatricula,fecha,costo,estado,tipo,idalumno,idmateria")] Matricula matricula)
 {
     if (ModelState.IsValid)
     {
         matricula = MatriculaBLL.TransforEnumCreate(matricula);
         MatriculaBLL.Update(matricula);
         return(RedirectToAction("Index"));
     }
     MatriculaBLL.TransforEnum(matricula);
     ViewBag.tipo      = new SelectList(MatriculaBLL.ListEnum("tipo"), matricula.tipo);
     ViewBag.estado    = new SelectList(MatriculaBLL.ListEnum("estado"), matricula.estado);
     ViewBag.idalumno  = new SelectList(AlumnoBLL.List(), "idalumno", "nombres", matricula.idalumno);
     ViewBag.idmateria = new SelectList(MateriaBLL.List(), "idmateria", "nombre", matricula.idmateria);
     return(View(matricula));
 }
        // GET: Matriculas/Edit/5
        public ActionResult Edit(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            Matricula matricula = MatriculaBLL.Get(id);

            if (matricula == null)
            {
                return(HttpNotFound());
            }
            MatriculaBLL.TransforEnum(matricula);
            ViewBag.tipo      = new SelectList(MatriculaBLL.ListEnum("tipo"), matricula.tipo);
            ViewBag.estado    = new SelectList(MatriculaBLL.ListEnum("estado"), matricula.estado);
            ViewBag.idalumno  = new SelectList(AlumnoBLL.List(), "idalumno", "nombres", matricula.idalumno);
            ViewBag.idmateria = new SelectList(MateriaBLL.List(), "idmateria", "nombre", matricula.idmateria);
            return(View(matricula));
        }