C# (CSharp) Slidersservice.GetbyId примеры использования

Пример #1

 public IActionResult Edit(int?id)
 {
     //ViewBag.Categories = oSlidersservice.GetAll();
     if (id != null)
     {
         return(View(oSlidersservice.GetbyId(Convert.ToInt32(id))));
     }
     else
     {
         return(View());
     }
 }