SelectExpression.AddCollectionProjection 方法
定義
重要
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多載
AddCollectionProjection(ShapedQueryExpression, INavigation, Type) | |
AddCollectionProjection(ShapedQueryExpression, INavigationBase, Type) |
將集合加入至 的 SelectExpression 投影。 |
AddCollectionProjection(ShapedQueryExpression, INavigation, Type)
public Microsoft.EntityFrameworkCore.Query.CollectionShaperExpression AddCollectionProjection (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression shapedQueryExpression, Microsoft.EntityFrameworkCore.Metadata.INavigation navigation, Type elementType);
member this.AddCollectionProjection : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * Microsoft.EntityFrameworkCore.Metadata.INavigation * Type -> Microsoft.EntityFrameworkCore.Query.CollectionShaperExpression
Public Function AddCollectionProjection (shapedQueryExpression As ShapedQueryExpression, navigation As INavigation, elementType As Type) As CollectionShaperExpression
參數
- shapedQueryExpression
- ShapedQueryExpression
- navigation
- INavigation
- elementType
- Type
傳回
適用於
AddCollectionProjection(ShapedQueryExpression, INavigationBase, Type)
將集合加入至 的 SelectExpression 投影。
public Microsoft.EntityFrameworkCore.Query.CollectionShaperExpression AddCollectionProjection (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression shapedQueryExpression, Microsoft.EntityFrameworkCore.Metadata.INavigationBase navigation, Type elementType);
member this.AddCollectionProjection : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * Microsoft.EntityFrameworkCore.Metadata.INavigationBase * Type -> Microsoft.EntityFrameworkCore.Query.CollectionShaperExpression
Public Function AddCollectionProjection (shapedQueryExpression As ShapedQueryExpression, navigation As INavigationBase, elementType As Type) As CollectionShaperExpression
參數
- shapedQueryExpression
- ShapedQueryExpression
產生收集結果之子查詢的成形查詢運算式。
- navigation
- INavigationBase
如果有任何,則為與此集合相關聯的導覽。
- elementType
- Type
集合中元素的類型。
傳回
, CollectionShaperExpression 表示這個集合的成形。