internal void Deconnecter(IList selectedItems)
 {
     if (currentDb.id == 0)
     {
         return;
     }
     try
     {
         Repos.Disconnect(selectedItems);
         Load();
     }
     catch (Exception e)
     {
         EventLog.WriteEntry("Application", e.ToString(), EventLogEntryType.Error);
         MessageBox.Show(e.Message);
     }
 }