I tried both of those and neither would run either, although I might have needed to leave out the command object with the syntax:

rs.Open([SQL command], [Connection string], 3);

However, I did find that doing this worked:

  RS.CacheSize = 10;
  RS.CursorType=3;
  RS.Open(cmdTemp);

>The problem is in optional parameter. You can use this:
>

>rs.Open(cmdTemp,Conn,3);
>

>
>but this is repetition of defining ActiveConnection. In your case you can consider using implicit connection (if this connection isn't used by other commands):
>

>rs.Open([SQL command], [Connection string], 3);
>