private void PlanillasHorariasForm_Load(object sender, EventArgs e) { Abrir(); try { RefrescarGeneracionPlanillas(); dtpFecha.Value = DateTime.Today; List <ChoferBE> choferes = Chofer.ListarTodos().OrderBy(c => c.Nombre).ToList(); choferes.Insert(0, new ChoferBE()); cmbChofer.DataSource = choferes; List <VehiculoBE> coches = Vehiculo.ListarTodos().OrderBy(v => v.Patente).ToList(); coches.Insert(0, new VehiculoBE()); cmbCoche.DataSource = coches; List <RecorridoBE> recorridos = Recorrido.ListarTodos().OrderBy(r => r.ToString()).ToList(); recorridos.Insert(0, new RecorridoBE()); cmbRecorrido.DataSource = recorridos; } catch { MostrarError(); } }