wsdl.exe http://localhost/aspnetdata/ch13/13-2/vb/DBSrc.asmx?wsdl /l:vb /n:DBService_vb

vbc /out:..\..\..\bin\DBSrc_vb.dll /t:library /r:System.dll /r:System.Web.Services.dll /r:System.Data.dll /r:System.Xml.dll DBSrc_vb.vb
Pause