>I hate to insist, but according to http://msdn.microsoft.com/en-us/library/htd05whh.aspx
>
>you use "as" and not "=" in using.
>
>I think your problem is that you assign a member of an object in using; It should be an untyped local variable. Using end using is implemented as a block. You might assign the member within the using block, and pass it as parameters.

Both does not work.