public ActionResult EditPost(int id)
 {
     Employee employee = new Employee();
     TryUpdateModel(employee);
     if (ModelState.IsValid)
     {
         EmployeebusinessLayer objbus = new EmployeebusinessLayer();
         objbus.updateEmployee(employee);
         return RedirectToAction("Index");
     }
     else
     {
         return RedirectToAction("Edit");
     }
 }