Originariamente inviato da giando877
Prova

SELECT * FROM tbl_1 WHERE 1 AND siglaunita like CONCAT('%', ? ,'%')

Grazie, ma anche così:

Server Error in '/' Application.
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ERROR [42000] [MySQL][ODBC 5.1 Driver][mysqld-5.0.45-community-nt]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'CONCAT('%', 'XQ00' ,'%')' at line 1