ssrs 2008 - How do I make wildcards work in a like operator in SQL Server reporting services? -

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i have added filter expression using operator. put in value field? parameter named @test , i'd filter function %@test% in sql. want act %@test% can pass '' values query.

i got work adding filter expression operator , setting value this:

="*" + parameters!roles.value + "*"

to values pass ''.


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