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C#表格数据去重
2022-07-24 05:14:00 【陈小同学】
问: 从数据库中查询数据,但是只需要相同数据中的一条数据?
答:
table = table.AsEnumerable().GroupBy(0 => 0.id).Select(o => o.First()).ToList(),
- 其中的id,可以修改为你所需要去重的字段
- First(),是查询其中的第一条数据,如果你需要最后一条数据,可以修改为Last()即可
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