for i := 0 to frmSettings.GridClubBases.RowCount-1 do
   begin
     RemouteDataSet.Close;
     if RemouteDataBase <> nil then
     begin
       RemouteDataBase.Close;
       RemouteDataBase.
       RemouteDataBase.Free;
       RemouteDataBase := nil;
       Sleep(2000);
     end;
     try

       RemouteBroker.ReleaseConnection(RemouteDataBase);
       RemouteBroker.DatabaseName := frmSettings.GridClubBases.Cells[1,i];
       RemouteBroker.Params.Text := 'user_name=SYSDBA';
       RemouteBroker.Params.Add('password='+DBAPass);
       RemouteBroker.Init;
       //RemouteBroker.AvailableConnections
       Sleep(2000);
       RemouteDataBase := RemouteBroker.GetConnection;

     except
       Continue;
     end;
     RemouteDataBase.LoginPrompt := false;
     RemouteDataSet.Database := RemouteDataBase;
     RemouteDataSet.Transaction := RemouteDataBase.DefaultTransaction;

     //******************************
     RemouteDataSet.SelectSQL.Text := 'SELECT * FROM USERS WHERE LOGIN_ = '''+Login+'''';
     RemouteDataSet.Open;
     while (not RemouteDataSet.Eof) do
     begin
       ...
       RemouteDataSet.Next;
     end;
   end;