hi to all

I am calling a sql stored procedure from vb.
Code:
Sub IO_ORGANISER()
    Dim objcmd As New ADODB.Command
    objcmd.CommandText = "IOScheduler"
    objcmd.CommandType = adCmdStoredProc
    Call objcmd.Parameters.Append(objcmd.CreateParameter("@uid", adInteger, adParamOutput, 4, 0))
    objcmd.ActiveConnection = GConn
    Dim Rs As New ADODB.Recordset
...