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c# 构造sql语句

unadlib 2022-05-19 阅读 180

String sql = String.Format(
"SELECT * FROM {0} WHERE {1} IN (SELECT {1} FROM {2} WHERE policyid={3})",
maintable, key, policytable, policyid);

之前都是一段段来做,原来这么便捷的方法




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