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  • EF 分组查询

    var result = from m in userPrefers.GroupBy(t => new { t.Pet_Preferential.Merchant.MerchantId, t.Pet_Preferential.Merchant.MerchantName })
                             select new
                             {
                                 MerchantId = m.Key.MerchantId,
                                 MerchantName = m.Key.MerchantName,
                                 Preferential = from u in m
                                                orderby u.Pet_Preferential.MinAmount descending
                                                select new
                                                {
                                                    Id = u.Id,
                                                    PreferentialId = u.Pet_Preferential.Id,
                                                    Context = u.Pet_Preferential.Context,
                                                    isDiscount = u.Pet_Preferential.isDiscount,
                                                    MinAmount = u.Pet_Preferential.MinAmount,
                                                    Preferential = u.Pet_Preferential.Preferential,
                                                    UseCondition = u.Pet_Preferential.UseCondition,
                                                    ProSales = u.Pet_Preferential.ProSales,
                                                    PreferentialNum = u.Pet_Preferential.PreferentialNum,
                                                }
                             };
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  • 原文地址:https://www.cnblogs.com/Celebrator/p/5760141.html
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