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Editorial Team
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Asked: 2026-05-22T18:23:31+00:00

I know you can put wildcards on the ends of a Filter string (i.e.

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I know you can put wildcards on the ends of a Filter string (i.e. ‘blah‘, but I want to know how to make the filter behave like there are wildcards in the middle of the string (i.e. ‘*bl*ah*’) which DataColumn.Expression property does not allow. I can’t figure out the syntax for Filters (DataColumn.Expression) that would emulate this behavior? 

'LIKE '*bl*' AND LIKE '*ah*'

is not sufficient because it will give me all strings with ‘bl’ and ‘ah’, regardless of their position in the string.

BindingSource.Filter = ??
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1 Answer

  1. Editorial Team

    Answering this from long ago, but I figured out that it cannot reasonably be done. It just appears to be the nature of pattern matching with BindingSource filters.

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