protected void drop_SelectedIndexChanged(object sender, EventArgs e) { YMS_ZONA_BC yms = new YMS_ZONA_BC(); utils.CargaDrop(ddl_destinoZona, "ID", "DESCRIPCION", yms.ObtenerZonasDescarga(Convert.ToInt32(dropsite.SelectedValue))); ddl_destinoZona_SelectedIndexChanged(null, null); }