g_signal_connect (G_OBJECT (data.BT_add), "clicked", G_CALLBACK (ui_asg_manage_add), NULL);
g_signal_connect (G_OBJECT (data.BT_rem), "clicked", G_CALLBACK (ui_asg_manage_delete), NULL);
g_signal_connect (G_OBJECT (data.BT_add), "clicked", G_CALLBACK (ui_asg_manage_add), NULL);
g_signal_connect (G_OBJECT (data.BT_rem), "clicked", G_CALLBACK (ui_asg_manage_delete), NULL);