VBScript - Retrieving a Scalar Value From a Stored Procedure on SQL Server 2008

My stored procedure is very simple. It inserts a new record. At the end of it I have the following line:

SELECT SCOPE_IDENTITY()

1) Am I using the right code to return the Primary Key value for the newly inserted record?

2) How do I retrieve this value using ASP Classic/VBScript with ADO Classic开发者_如何学Go?

Dim cmdUA
Set cmdUA = Server.CreateObject("ADODB.Command")
Set cmdUA.ActiveConnection = tcon
cmdUA.CommandText = "InsertUserAgent"
cmdUA.CommandType = adCmdStoredProc 
cmdUA.Parameters.Append cmdUA.CreateParameter("useragent", adVarWChar, _
adParamInput, 1000)
cmdUA("useragent") = Request.ServerVariables("HTTP_USER_AGENT")
cmdUA.Exec
'Here I need to get the value returned from the stored procedure
Set cmdUA.ActiveConnection = Nothing
Set cmdUA = Nothing

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The Execute method (NOT Exec) returns a record set which contains the result from the stored procedure.

 Set rs = cmdUA.Execute
 result = rs.Fields(0).Value