private void assignIdRegimen() { if (comboBoxRegimen.SelectedItem == null) { Generar_Modificar_Reserva.RegimensForHotel frm = new RegimensForHotel(this); frm.textBoxId.Text = Convert.ToString(this.id_hotel); frm.textBoxName.Text = this.comboBoxHotel.Text; frm.Show(); } else { String descr = comboBoxRegimen.Text; DataTable dt = rh.getRegimenIdFromDescr(descr).Tables[0]; id_regimen = Convert.ToInt32(dt.Rows[0][0].ToString()); } }