public IHttpActionResult PutKirala(int arac, [FromBody] Arac Arac)
 {
     Arac.AracID = arac;
     if (AracBusiness.AracIdSec(arac) == null)
     {
         return(NotFound());
     }
     else if (ModelState.IsValid == false)
     {
         return(BadRequest());
     }
     else
     {
         return(Ok(AracBusiness.AracKirala(Arac)));
     }
 }