DataTable dt_temp = dt.AsEnumerable().Cast<DataRow>().GroupBy(p => p.Field<string>("table_names_en")).Select(p => p.FirstOrDefault()).CopyToDataTable( ...
DataTable dt_temp = dt.AsEnumerable().Cast<DataRow>().GroupBy(p => p.Field<string>("table_names_en")).Select(p => p.FirstOrDefault()).CopyToDataTable();
來源: http://www.cnblogs.com/haofaner/p/5098804.html
方法二: 來源: http://www.cnblogs.com/yajunLi/p/4598552.html
方法三: 來源: http://blog.csdn.net/q107770540/article/details/6252339
方法四: 來源 http://blog.csdn.net/lee576/article/details/17188809
方法五:來源http://bbs.csdn.net/topics/370044010
http://bbs.csdn.net/topics/310137345
方法六:資料庫去重
http://www.codeisbug.com/Doc/8/1144