/// <summary>
 /// Show database settings.
 /// </summary>
 private void DatabaseSettingsBtn_Click(object sender, EventArgs e)
 {
     try
     {
         GXAmiDBSettingsForm dlg = new GXAmiDBSettingsForm();
         dlg.ShowDialog(this);
     }
     catch (Exception ex)
     {
         GXCommon.ShowError(this, ex);
     } 
 }
 DialogResult OnShowQuestion2(string text)
 {
     GXAmiDBSettingsForm dlg = new GXAmiDBSettingsForm();
     return dlg.ShowDialog(this);
 }