DbEntityEntry<TEntity>.Collection<TElement> 方法 (Expression<Func<TEntity, ICollection<TElement>>>)
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取得物件,表示從此實體到相關實體集的集合導覽屬性。
命名空間: System.Data.Entity.Infrastructure
組件: EntityFramework (在 EntityFramework.dll 中)
語法
'宣告
<SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")> _
Public Function Collection(Of TElement As Class) ( _
navigationProperty As Expression(Of Func(Of TEntity, ICollection(Of TElement))) _
) As DbCollectionEntry(Of TEntity, TElement)
'用途
Dim instance As DbEntityEntry
Dim navigationProperty As Expression(Of Func(Of TEntity, ICollection(Of TElement)))
Dim returnValue As DbCollectionEntry(Of TEntity, TElement)
returnValue = instance.Collection(navigationProperty)
[SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")]
public DbCollectionEntry<TEntity, TElement> Collection<TElement>(
Expression<Func<TEntity, ICollection<TElement>>> navigationProperty
)
where TElement : class
[SuppressMessageAttribute(L"Microsoft.Design", L"CA1006:DoNotNestGenericTypesInMemberSignatures")]
public:
generic<typename TElement>
where TElement : ref class
DbCollectionEntry<TEntity, TElement>^ Collection(
Expression<Func<TEntity, ICollection<TElement>^>^>^ navigationProperty
)
[<SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")>]
member Collection :
navigationProperty:Expression<Func<'TEntity, ICollection<'TElement>>> -> DbCollectionEntry<'TEntity, 'TElement> when 'TElement : not struct
JScript does not support generic types and methods.
類型參數
- TElement
集合中項目的類型。
參數
- navigationProperty
類型:System.Linq.Expressions.Expression<Func<TEntity, ICollection<TElement>>>
表示導覽屬性的運算式。
傳回值
類型:System.Data.Entity.Infrastructure.DbCollectionEntry<TEntity, TElement>
表示導覽屬性的物件。