Using WS to extract Data into XML format.

Hi, I am working on a web service which I need to use SQL to extract information from a access database. However, I will need these data to be displayed in XML. Are there any method in VB which I can use to accomplish this. please advise. I am working in Visual Studio 2005.1 <WebMethod()> _
2 Public Function LocalSearch(ByVal code As String, ByVal name As String, ByVal color As String, ByVal size As String) As String
3 Dim myConnectionString As String
4 myConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;data source = C:\IT2692 Files\localSearchService\App_Code\269 ...