检查一下:
http://msdn.microsoft.com/en-us/library/aa302435.aspx
> The <protocols> element defines the
> protocols that Web services support.
> By default, HttpPost and HttpGet are
> disabled on .NET Framework versions
> 1.1 and 2.0 as follows:
> <webServices>
> <protocols>
> <add name="HttpSoap1.2"/>
> <add name="HttpSoap"/>
> <!-- <add name="HttpPost"/> -->
> <!-- <add name="HttpGet"/> -->
> <add name="HttpPostLocalhost"/>
> <add name="Documentation"/>
> </protocols>
> </webServices>