如何在C#中将两个对象合并为一个对象开发者社区

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var taskMessages = from d in result
                   join ptask in db.ListingTask.Entites on new
                       d.Id,
                       TaskType = ListingTaskType.Offer.ToString()
                   } equals new
                       Id = ptask.DraftId,
                       ptask.TaskType
                   } into temp
                   from t in temp.DefaultIfEmpty()
                   select new 
                       DraftId = d.Id,
                       OfferMessage = t == null || string.IsNullOrEmpty(t.Message) ? "无" : t.Message,
                       OfferSubmitResult = t == null || string.IsNullOrEmpty(t.Result) ? "无" : t.Result,
                       d.UserName,
                       d.UpdateTime,
                       d.Stock
                   };

var taskMessages = from d in result
                   join ptask in db.ListingTask.Entites on new
                      d.Id,
                      TaskType = ListingTaskType.Offer.ToString()
                   } equals new
                       Id = ptask.DraftId,
                       ptask.TaskType
                   } into temp
                   from t in temp.DefaultIfEmpty()
                   select new 
                       // you would obviously need better names
                       object1 = t,

问 如何在C#中将两个对象合并为一个对象 EN

回答 1

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