Источник:
http://blogs.bojensen.eu/2014/09/08/...d-null-values/
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If you are creating a SSRS report in Visual Studio 2008 and would like a parameter to display multiple values including NULL values, you will get a message saying, “A multi-value parameter cannot include null values”. However, there is a 2 step method to work around this. 1) In the Dataset that provides values…
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Источник:
http://blogs.bojensen.eu/2014/09/08/...d-null-values/