[HttpGet]  // ADD PERSONEL
 public async Task <IActionResult> PersonelEkle()
 {
     ViewBag.Departmanlar = new SelectList(await depService.getDepartmans(), "id", "ad");
     return(View());
 }
 [HttpGet]   // ALL DEPARTMAN
 public async Task <IActionResult> Departmanlar()
 {
     return(View(await depService.getDepartmans()));
 }