RelationshipManager.GetRelatedReference<TTargetEntity> 方法

定義

透過指定的關聯名稱與目標角色名稱組合,取得相關物件的 。EntityReference<TEntity>

public:
generic <typename TTargetEntity>
 where TTargetEntity : class, System::Data::Objects::DataClasses::IEntityWithRelationships System::Data::Objects::DataClasses::EntityReference<TTargetEntity> ^ GetRelatedReference(System::String ^ relationshipName, System::String ^ targetRoleName);
public:
generic <typename TTargetEntity>
 where TTargetEntity : class System::Data::Objects::DataClasses::EntityReference<TTargetEntity> ^ GetRelatedReference(System::String ^ relationshipName, System::String ^ targetRoleName);
public System.Data.Objects.DataClasses.EntityReference<TTargetEntity> GetRelatedReference<TTargetEntity>(string relationshipName, string targetRoleName) where TTargetEntity : class, System.Data.Objects.DataClasses.IEntityWithRelationships;
public System.Data.Objects.DataClasses.EntityReference<TTargetEntity> GetRelatedReference<TTargetEntity>(string relationshipName, string targetRoleName) where TTargetEntity : class;
member this.GetRelatedReference : string * string -> System.Data.Objects.DataClasses.EntityReference<'argetEntity (requires 'argetEntity : null and 'argetEntity :> System.Data.Objects.DataClasses.IEntityWithRelationships)> (requires 'argetEntity : null and 'argetEntity :> System.Data.Objects.DataClasses.IEntityWithRelationships)
member this.GetRelatedReference : string * string -> System.Data.Objects.DataClasses.EntityReference<'argetEntity (requires 'argetEntity : null)> (requires 'argetEntity : null)
Public Function GetRelatedReference(Of TTargetEntity As {Class, IEntityWithRelationships}) (relationshipName As String, targetRoleName As String) As EntityReference(Of TTargetEntity)
Public Function GetRelatedReference(Of TTargetEntity As Class) (relationshipName As String, targetRoleName As String) As EntityReference(Of TTargetEntity)

類型參數

TTargetEntity

退回 EntityReference<TEntity>的類型。

參數

relationshipName
String

要處理的關係名稱。 關係名稱不符合命名空間的資格。

targetRoleName
String

導航的目標角色名稱。 表示關係中導航的方向。

傳回

EntityReference<TTargetEntity>

一個相關物件的。EntityReference<TEntity>

例外狀況

備註

關係名稱不應該是命名空間限定。 當你將命名空間置於關聯名稱前時,會發生錯誤。

適用於