sqlMetal - Making stored procedure parameters not nullables

Question

Hi,
 I just used sqlMetal too to create the large CS file.
For my store procs, All the parameters are like:

System.Nullable<System.Guid> AccountGuid

What can I use to indicate that the parameter is nullable or not?

Thanks

Answer 1

see this link :
http://stackoverflow.com/questions/211436/nullable-guid