Источник:
http://blogs.bojensen.eu/2014/09/08/...-by-generator/
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I am astonished that this is not a feature in SSRS. How can you expect business users to create expressions to handle an optional filter. So for those looking how to do an optional filter on a parameter, here is how to do it: If I have a text parameter called instanceNumber that is blank…
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Источник:
http://blogs.bojensen.eu/2014/09/08/...-by-generator/