datatable 某一列转字符串

Posted 2020-11-23 guhuaxia

datatable 某一列转字符串

https://www.cnblogs.com/yyxhgy/p/9814934.html

https://www.cnblogs.com/zhaogaojian/p/10527212.html

  string[] mid= dt.Rows.OfType<DataRow>().Select(r => r["MID"].ToString()).ToArray();
           string mids= String.Join(",", mid);

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list 转字符串也差不多，

String.Join(",", list.Select(c => c.MID).ToArray());