public IActionResult UpdatePassword(Admin newAdmin)
{
Admin currentAdmin = HttpContext.Session.GetObjectFromJson <Admin>("adminInfos");
var oldAdmin = adminDal.updatePassword(currentAdmin, newAdmin);
HttpContext.Session.SetObjectAsJson("adminInfos", oldAdmin);
TempData["message"] = "Şifreniz başarıyla güncellendi !";
return(RedirectToAction("Index", "Admin"));
}