I have a stored procedure ( SQL Server 2005 )set ANSI_NULLS ONset QUOTED_IDENTIFIER ONGOALTER PROCEDURE [dbo].[usp_GetLotAttributes]	@AttrNum int  = NULL,	@LotID varchar(11) = NULLASSELECT * FROM Fab5IE_LastTables.dbo.tblLastTablesWHERE RecordIsOpen = 1 AND (LastAttr = ISNULL(@AttrNum,LastAttr) AND LotNum = ISNULL(@LotID,LotNum))ORDER BY LastAttr 
I'm writting code in MSExcel to extract informationusing the following code!The function to run the stored procedure is Function Fab5IE_GetDataStoredProc(strItem As String, strParamString As String, tgtForData As Variant) As Boolean'   Local Variables    Dim adoConn         As New ADODB.Connection    Dim adoRst          As New ADODB.Recordset    Dim adoPrm          As ADODB.Parameter    Dim adoCmd          As command    Dim strDBConn       As String    Fab5IE_GetDataStoredProc = False    On Error GoTo L___ExitEarly'   Open a connection    strDBConn = strFab5IE    adoConn.Open strDBConn'   Set query    Set adoCmd = New ADODB.command    With adoCmd        .ActiveConnection = adoConn        .CommandText = strItem        .CommandType = adCmdStoredProc    End With    Set adoPrm = adoCmd.CreateParameter("@AttrNum", adInteger, adParamInput)    adoCmd.Parameters.Append adoPrm    Set adoPrm = adoCmd.CreateParameter("@LotNum", adVarChar, adParamInput, 11)    adoCmd.Parameters.Append adoPrm    adoCmd.Parameters("@AttrNum") = CInt(Split(strParamString, ",")(0))    adoCmd.Parameters("@LotNum") = Split(strParamString, ",")(1)'   Loop the incomming device list and ret template info    Set adoRst = adoCmd.Execute'   Disconnect the Recordset    Set adoRst.ActiveConnection = Nothing'   Return the Recordset    Set tgtForData = adoRst'   Clean up...  adoConn.Close'  adoRst.Close  Set adoConn = Nothing  Set adoRst = Nothing    Exit FunctionL___ExitEarly:    Fab5IE_GetDataStoredProc = FalseEnd FunctionThe call to the function is this    Call Fab5IE_GetDataStoredProc("usp_GetLotAttributes", "102,1J5199", adoRst)I keep getting a recordset that has a record count of 1... 1.  I need to know how to use the execute the stored procedure with null values2.  Can on a given stored procedure can I get a parameter list returned?