vb.net procedure or function expects parameter which was not supplied - vb.net

Question

This seems so simple, but I can't resolve the error
Procedure or function 'test' expects parameter '#id', which was not supplied.
I have tried a dataadapter instead of the reader, tried the {call test (?)} syntax, and several variants on how to add the parameter.
CREATE PROCEDURE [dbo].test (#id int)
AS
BEGIN
select * from tmptable where id=#id
END
Using conn = New OdbcConnection(connstring)
conn.Open()
Dim cmd As OdbcCommand = New OdbcCommand("test", conn)
cmd.CommandType = CommandType.StoredProcedure
cmd.Parameters.AddWithValue("#id", 6)
Dim reader As OdbcDataReader = cmd.ExecuteReader()
reader.Close()
conn.Close()
End Using

Answer 1

Try dropping the # - so AddWithValue("id",6) instead. I usually explicitly create the parameter and add it to the collection, and when I do I drop the # sign from the parameter name.
Also, I'll modify your code to look like how I usually use it and edit it into my post in a few minutes, if dropping the # doesn't work you can try my style, maybe there are some subtle differences.
EDIT: Oops, my bad, I use the explicitly defined parameters with SQLcommands, not ODBC commands! You can try leaving out the #, but I don't have a working example I can share with you, sorry :-(
EDIT 2: OK, I don't have an example, but Microsoft has one that looks a lot more like how I call my stored procedures using SQLCommands, see
http://msdn.microsoft.com/en-us/library/system.data.odbc.odbcparametercollection%28v=vs.90%29.aspx
Basically, I think your code would look like
Using conn = New OdbcConnection(connstring)
conn.Open()
Dim cmd As OdbcCommand = New OdbcCommand("{ call test(?) }", conn)
cmd.CommandType = CommandType.StoredProcedure
' replace this with the following cmd.Parameters.AddWithValue("#id", 6) '
Dim ParamID As New OdbcParameter()
ParamID.DbType = DbType.Int32
ParamID.Value = 6
cmd.Parameters.Add(ParamID)
' end replace '
Dim reader As OdbcDataReader = cmd.ExecuteReader()
reader.Close()
conn.Close()
End Using
And you should also be aware that some ODBC drivers are not good at getting recordsets back from stored procedures. I use SmallTalk to query DB2 through ODBC, and I can get a recordset back from a function, but not from a stored procedure. You may be encountering a similar limitation. What database are you using?