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2022-04-27 19:59:42 +08:00
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Parent-Child-Relationship-Query.md

@@ -37,7 +37,7 @@ fsql.Select<Area>().Where(a => a.Parent.Parent.Parent.Name == "中国").First();
Define the Childs attribute, in the expression (subquery): Define the Childs attribute, in the expression (subquery):
```csharp ```csharp
fsql.Select<Area>().Where(a => a.Childs.AsSelect().Any(c => c.Name == "北京")).First(); fsql.Select<Area>().Where(a => a.Childs.Any(c => c.Name == "北京")).First();
``` ```
To define the Childs property, you can also use [Cascade Saving](Cascade-Saving), [Greed Loading](Greed-Loading) and so on. To define the Childs property, you can also use [Cascade Saving](Cascade-Saving), [Greed Loading](Greed-Loading) and so on.