protected void uiLinkButtonAdd_Click(object sender, EventArgs e) { ClearFields(); CurrentDeliveryOrder = null; uipanelError.Visible = false; uiPanelEditDeliveryOrder.Visible = true; IStock.BLL.DeliveryOrder d = new IStock.BLL.DeliveryOrder(); uiTextBoxCode.Text = d.getNewSerial(); uiPanelAllOrders.Visible = false; }