请使用冒号(:login
)。
string sqlCmd = @"SELECT r.row_id AS resp_id, r.name AS resp_name FROM srb.s_resp r, srb.s_per_resp pr, srb.s_contact c, srb.s_user u WHERE r.row_id = pr.resp_id AND u.row_id = c.row_id AND c.person_uid = pr.per_id AND UPPER(u.login) = :login ORDER BY r.name";