private void TechnicalSupport_Load(object sender, EventArgs e) { pnlOrders.Visible = false; List <ServiceTicket> serviceTicketList = ServiceTicket.GetServiceTickets(); cmboAppType.SelectedIndex = 0; b.DataSource = serviceTicketList; cmboUnassigned.DataSource = b; //List<Personnel> personnelList = Personnel.GetTechnicians(); //foreach (Personnel item in personnelList) //{ // tvPersonnel.Nodes.Add(item.FirstName + " " + item.LastName); //} }