/// <summary>
        /// Validate the entered data and close the dialog
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void onOk(object sender, EventArgs e)
        {
            m_stage = new Stage();
            m_stage.setId(guiIdTxt.Text);
            m_stage.setDescription(guiDescriptionTxt.Text);

            String error;
            m_stage.addValidations(Stage.ValidationType.FromDialog);
            if (Database.DataConfiguration.validate(out error))
            {
                m_madeSelection = true;
                this.Close();
            }
            else
            {
                MessageBox.Show(error);
            }
        }