turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
These are the best ways, most phones now have settings that can clearly allow you to switch off data when roaming, I would post your handset details and someone can take you through it if you cannot find it.
Remember that Vodafone offers a Data Traveller service which for £2 per day gives you 25MB , its worth considering too
