public ActionResult Edit(Technician technician)
 {
     if (ModelState.IsValid)
     {
         Facade.GetTechnicianGateway().Update(technician);
         return RedirectToAction("Index");
     }
     return View(technician);
 }
 public ActionResult Delete(int id, Technician technician)
 {
     try
     {
         Facade.GetTechnicianGateway().Delete(id);
         return RedirectToAction("Index");
     }
     catch
     {
         return View();
     }
 }