async Task<List<Vessel>> getVesselsAsyn()
{
var db = new VesselDatabase();
return await Task.Run(() => db.getAllVessel());
}
private async void getAllVesselAsyn()
{
var db = new VesselDatabase();
var list = await Task.FromResult<List<Vessel>>(db.getAllVessel());
lvVessels.ItemsSource = list;
}