public ActionResult Create(TeachersBookkeeping teacher)
 {
     teacher.TeacherId = context.Teachers.Where(x => x.Id == teacher.Teachers.Id).Select(x => x.Id).First();
     teacher.Teachers  = context.Teachers.Find(teacher.TeacherId);
     try
     {
         context.teachersBookkeepings.Add(teacher);
         context.SaveChanges();
         return(RedirectToAction("Index/" + teacher.Teachers.UniversityId));
     }
     catch
     {
         return(View());
     }
 }
 public ActionResult Edit(int id, [Bind(Include = "Id,TeacherId,Teachers,Hours,Experience_months,Salary,Taxes,Bonus")] TeachersBookkeeping teacher)
 {
     try
     {
         if (ModelState.IsValid)
         {
             context.Entry(teacher).State = EntityState.Modified;
             context.SaveChanges();
             return(RedirectToAction("Index/" + teacher.Teachers.UniversityId));
         }
         return(View(teacher));
     }
     catch (Exception ex)
     {
         return(View(teacher));
     }
 }