Value cannot be null. Parameter name: con
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2022-04-21 15:49:22
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使用OracleSugar 进行查询的时候，出现了这个问题：Value cannot be null. Parameter name: con
这个是个很傻的操作导致的，具体如下：
db.SqlQuery<Task>(sql2, new { UserID = userid }).ToList();上一篇： PHP 递归兑现层级树状展现数据
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