public PriceSelector(PricepoolDisplayer ppd)
        {
            instance = this;
            this.ppd = ppd;
            InitializeComponent();

            es.GetPricesCompleted += es_GetPricesCompleted;
            es.DeletePriceCompleted += es_DeletePriceCompleted;
            es.GetPricesAsync();
        }
 private void openPricesBtn_Click(object sender, EventArgs e)
 {
     price = null;
     PriceSelector s = new PriceSelector(this);
     s.Show();
 }
 private void buttonEditPrice_Click(object sender, EventArgs e)
 {
     PriceSelector ps = new PriceSelector(null);
     ps.Show();
 }