public IActionResult Ekle(Oneriler model)
 {
     if (ModelState.IsValid)
     {
         onerilerOperations.AddModel(model);
         return(RedirectToAction("Index"));
     }
     return(View(model));
 }
 public void Post(Oneriler oneri)
 {
     onerilerOperations.AddModel(oneri);
 }