How can i convert a MDX set to an MDX expression

Typically you would apply one of the aggregate functions over the set,
have a look at the AGGREGATE() and SUM() functions in BOL.

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Regards
Darren Gosbell [MCSD]
<dgosbell_at_yahoo_dot_com>
Blog: http://www.geekswithblogs.net/darrengosbell

This answers the question - "How to convert MDX Set to number". There is
nothing that needs to be done to convert MDX Set to expression, since MDX
Set is already valid MDX expression.

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"Darren Gosbell" <xxx (AT) xxx (DOT) com> wrote

Very true. I should have pointed out that I assumed you were trying to
create a calculated member. If this is not the case there may be another
syntax error in your MDX and it will be hard to diagnose without seeing
the actual MDX.

--
Regards
Darren Gosbell [MCSD]
<dgosbell_at_yahoo_dot_com>
Blog: http://www.geekswithblogs.net/darrengosbell