std::cout<< "item="<<temp->get_name()<<" "<<"check= "<<temp->check_connection()<<std::endl;
if ( !temp->check_connection() ) {
dlg_connect->set_title("Error");
std::cout<< "item="<<temp->get_name()<<" "<<"check= "<<temp->check_connection()<<std::endl;
if ( !temp->check_connection() ) {
dlg_connect->set_title("Error");