[英]Splitting an Entity Framework linq query causes includes to not work
如果我這樣做:
var shipmentQuery = dataAccess.Shipments().Where(x => x.OriginId == originId)
.Take(100)
.Include(shipment => shipment.Boxes);
return shipmentQuery;
我的盒子數據包含在結果集中。 但是,如果我這樣做:
var shipmentQuery = dataAccess.Shipments().Where(x => x.OriginId == originId);
shipmentQuery
.Take(100)
.Include(shipment => shipment.Boxes);
然后,不包括框數據(每個結果框為空。)
如果分解查詢,包含是否應該不起作用?
而且,無論如何都可以將其分解? (我想添加一些條件where子句。)
(我正在使用連接到sql server 2012數據庫的Entity Framework 6.1.3。)
只需將include語句和第一條語句放在一起即可。 那時它實際上不會查詢數據庫,它只是一個查詢定義,因此您不必擔心會拉出額外的記錄。
像這樣:
var shipmentQuery = dataAccess.Shipments().Where(x => x.OriginId == originId)
.Include(shipment => shipment.Boxes);
// Extra query conditions can be applied here
return shipmentQuery.Take(100);
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