EntityEntry<TEntity>.Collection Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.ChangeTracking

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v8.0.0

Overloads

Collection<TProperty>(INavigationBase)	Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.
Collection<TProperty>(Expression<Func<TEntity,IEnumerable<TProperty>>>)	Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.
Collection<TProperty>(String)	Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.

Collection<TProperty>(INavigationBase)

Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.

public virtual Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<TEntity,TProperty> Collection<TProperty> (Microsoft.EntityFrameworkCore.Metadata.INavigationBase navigation) where TProperty : class;

override this.Collection : Microsoft.EntityFrameworkCore.Metadata.INavigationBase -> Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<'Entity, 'Property (requires 'Entity : null and 'Property : null)> (requires 'Property : null)

Public Overridable Function Collection(Of TProperty As Class) (navigation As INavigationBase) As CollectionEntry(Of TEntity, TProperty)

Type Parameters

TProperty

Parameters

navigation

INavigationBase

The collection navigation.

Returns

CollectionEntry<TEntity,TProperty>

An object that exposes change tracking information and operations for the given navigation property.

Remarks

See Accessing tracked entities in EF Core and Changing foreign keys and navigations for more information and examples.

Collection<TProperty>(Expression<Func<TEntity,IEnumerable<TProperty>>>)

Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.

public virtual Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<TEntity,TProperty> Collection<TProperty> (System.Linq.Expressions.Expression<Func<TEntity,System.Collections.Generic.IEnumerable<TProperty>>> propertyExpression) where TProperty : class;

override this.Collection : System.Linq.Expressions.Expression<Func<'Entity, seq<'Property>>> -> Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<'Entity, 'Property (requires 'Entity : null and 'Property : null)> (requires 'Property : null)

Public Overridable Function Collection(Of TProperty As Class) (propertyExpression As Expression(Of Func(Of TEntity, IEnumerable(Of TProperty)))) As CollectionEntry(Of TEntity, TProperty)

Type Parameters

TProperty

Parameters

propertyExpression

Expression<Func<TEntity,IEnumerable<TProperty>>>

A lambda expression representing the collection navigation to access information and operations for.

Returns

CollectionEntry<TEntity,TProperty>

An object that exposes change tracking information and operations for the given navigation property.

Remarks

See Accessing tracked entities in EF Core and Changing foreign keys and navigations for more information and examples.

Collection<TProperty>(String)

Provides access to change tracking and loading information for a collection navigation property that associates this entity to a collection of another entities.

public virtual Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<TEntity,TProperty> Collection<TProperty> (string propertyName) where TProperty : class;

override this.Collection : string -> Microsoft.EntityFrameworkCore.ChangeTracking.CollectionEntry<'Entity, 'Property (requires 'Entity : null and 'Property : null)> (requires 'Property : null)

Public Overridable Function Collection(Of TProperty As Class) (propertyName As String) As CollectionEntry(Of TEntity, TProperty)

Type Parameters

TProperty

Parameters

propertyName

String

The name of the navigation property.

Returns

CollectionEntry<TEntity,TProperty>

An object that exposes change tracking information and operations for the given navigation property.

Remarks

See Accessing tracked entities in EF Core and Changing foreign keys and navigations for more information and examples.