public void Llenar(ComboBox CbN5, int IDConta_Jera_4, RadioButton RbTransaccional4, TextBox TxtCodigoSubCuenta) { Conta_Jerarquia_5TableAdapter adapter = new Conta_Jerarquia_5TableAdapter(); try { CbN5.DataSource = adapter.SelectJerar5(IDConta_Jera_4); CbN5.DisplayMember = "Nombre"; CbN5.ValueMember = "IDConta_Jera_5"; CbN5.SelectedIndex = 0; } catch (Exception) { List <ClassCbDatoMostrar> Datos = new List <ClassCbDatoMostrar>(); ClassCbDatoMostrar Insertar = new ClassCbDatoMostrar { ID = 0, Dato = "NO EXISTE" }; Datos.Add(Insertar); CbN5.DataSource = Datos; CbN5.DisplayMember = "Dato"; CbN5.ValueMember = "ID"; } LLenarCodigo(Convert.ToInt32(CbN5.SelectedValue), RbTransaccional4, TxtCodigoSubCuenta); }