// GET aicraft/index/searchReg?
public async Task <IActionResult> Index(string searchReg)
{
var aircraft = new List <Aircraft>();
if (!String.IsNullOrEmpty(searchReg))
{
aircraft = await _aircraftRepository.GetList(searchReg.ToUpper());
}
else
{
aircraft = await _aircraftRepository.GetListAll();
}
return(View(aircraft));
}