public async void AddTruck(Truck truck)
{
var mapper = new TruckMapper();
var newTruck = mapper.MapToServiceModel(truck);
await client.AddTruckAsync(newTruck);
}
public async void UpdateTruck(Truck truck)
{
TruckMapper mapper = new TruckMapper();
var uptadeTruck = mapper.MapToServiceModel(truck);
await client.UpdateTruckAsync(uptadeTruck);
client.Close();
}