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  • Linq 多条件连接

    var total = (from a in all
                                 join g in group_M
                                           on new { MetricPointID = a.MetricPointID, UsageDate = a.UsageDate }
                                           equals new { MetricPointID = g.MetricPointID, UsageDate = g.MaxUsageDate }
                                 select new
                                 {
                                     MetricPointID = a.MetricPointID,
                                     TotalMonth = a.TotalMonth,
                                     TotalYear = a.TotalYear,
                                     AlertTotalMonth = a.AlertTotalMonth,
                                     AlertTotalYear = a.AlertTotalYear,
                                 }).ToList();

     

    多条件就使用匿名类

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  • 原文地址:https://www.cnblogs.com/suizhikuo/p/3755726.html
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