virtualpath getlocalresourceobject

hi, How can add virtualpath in my code:
ddlCountry.Items.Insert(0, new ListItem(GetLocalResourceObject("ListItemPleaseSelect").ToString(), "null")); I tried like this ddlCountry.Items.Insert(0, new ListItem(GetLocalResourceObject(virtualpath,"ListItemPleaseSelect").ToString(), "null"));

but not working...