OwnedNavigationBuilder<TOwnerEntity,TDependentEntity>.Navigation 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Metadata.Builders

組件:

Microsoft.EntityFrameworkCore.dll

套件:

Microsoft.EntityFrameworkCore v8.0.0

多載

Navigation<TNavigation>(Expression<Func<TDependentEntity,IEnumerable<TNavigation>>>)	傳回物件，這個物件可用來將現有導覽屬性從擁有的類型設定為其擁有者。 巡覽屬性不存在時發生錯誤。
Navigation<TNavigation>(Expression<Func<TDependentEntity,TNavigation>>)	傳回物件，這個物件可用來將現有導覽屬性從擁有的類型設定為其擁有者。 巡覽屬性不存在時發生錯誤。

Navigation<TNavigation>(Expression<Func<TDependentEntity,IEnumerable<TNavigation>>>)

傳回物件，這個物件可用來將現有導覽屬性從擁有的類型設定為其擁有者。 巡覽屬性不存在時發生錯誤。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.NavigationBuilder<TDependentEntity,TNavigation> Navigation<TNavigation> (System.Linq.Expressions.Expression<Func<TDependentEntity,System.Collections.Generic.IEnumerable<TNavigation>?>> navigationExpression) where TNavigation : class;

override this.Navigation : System.Linq.Expressions.Expression<Func<'DependentEntity, seq<'Navigation>>> -> Microsoft.EntityFrameworkCore.Metadata.Builders.NavigationBuilder<'DependentEntity, 'Navigation (requires 'DependentEntity : null and 'Navigation : null)> (requires 'Navigation : null)

Public Overridable Function Navigation(Of TNavigation As Class) (navigationExpression As Expression(Of Func(Of TDependentEntity, IEnumerable(Of TNavigation)))) As NavigationBuilder(Of TDependentEntity, TNavigation)

類型參數

TNavigation

目標實體類型。

參數

navigationExpression

Expression<Func<TDependentEntity,IEnumerable<TNavigation>>>

Lambda 運算式，表示要設定的導覽屬性 ( blog => blog.Posts) 。

傳回

NavigationBuilder<TDependentEntity,TNavigation>

物件，可用來設定導覽屬性。

Navigation<TNavigation>(Expression<Func<TDependentEntity,TNavigation>>)

傳回物件，這個物件可用來將現有導覽屬性從擁有的類型設定為其擁有者。 巡覽屬性不存在時發生錯誤。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.NavigationBuilder<TDependentEntity,TNavigation> Navigation<TNavigation> (System.Linq.Expressions.Expression<Func<TDependentEntity,TNavigation?>> navigationExpression) where TNavigation : class;

override this.Navigation : System.Linq.Expressions.Expression<Func<'DependentEntity, 'Navigation>> -> Microsoft.EntityFrameworkCore.Metadata.Builders.NavigationBuilder<'DependentEntity, 'Navigation (requires 'DependentEntity : null and 'Navigation : null)> (requires 'Navigation : null)

Public Overridable Function Navigation(Of TNavigation As Class) (navigationExpression As Expression(Of Func(Of TDependentEntity, TNavigation))) As NavigationBuilder(Of TDependentEntity, TNavigation)

類型參數

TNavigation

目標實體類型。

參數

navigationExpression

Expression<Func<TDependentEntity,TNavigation>>

Lambda 運算式，表示要設定的導覽屬性 ( blog => blog.Posts) 。

傳回

NavigationBuilder<TDependentEntity,TNavigation>

物件，可用來設定導覽屬性。