private async void Screen_Tick(object sender, EventArgs e)
{
lstbxFinished.Items.Clear();
lstbxProcessing.Items.Clear();
List <Order> InProcessOrders = (await _repo.GetInProcessOrderssAsync(1)).ToList();
List <Order> finishedOrders = (await _repo.GetFinishedOrdersAsync(1)).ToList();
InProcessOrders.ForEach(a => lstbxProcessing.Items.Add(a.OrderID));
finishedOrders.ForEach(a => lstbxFinished.Items.Add(a.OrderID));
}