MutableEntityTypeExtensions.RemoveForeignKey Method

Definition

Namespace:

Microsoft.EntityFrameworkCore

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v5.0.0

Removes a foreign key from this entity type.

public static Microsoft.EntityFrameworkCore.Metadata.IMutableForeignKey RemoveForeignKey (this Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType entityType, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IMutableProperty> properties, Microsoft.EntityFrameworkCore.Metadata.IMutableKey principalKey, Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType principalEntityType);

static member RemoveForeignKey : Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IMutableProperty> * Microsoft.EntityFrameworkCore.Metadata.IMutableKey * Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType -> Microsoft.EntityFrameworkCore.Metadata.IMutableForeignKey

<Extension()>
Public Function RemoveForeignKey (entityType As IMutableEntityType, properties As IReadOnlyList(Of IMutableProperty), principalKey As IMutableKey, principalEntityType As IMutableEntityType) As IMutableForeignKey

Parameters

entityType

IMutableEntityType

The entity type.

properties

IReadOnlyList<IMutableProperty>

The properties that the foreign key is defined on.

principalKey

IMutableKey

The primary or alternate key that is referenced.

principalEntityType

IMutableEntityType

The entity type that the relationship targets. This may be different from the type that principalKey is defined on when the relationship targets a derived type in an inheritance hierarchy (since the key is defined on the base type of the hierarchy).

Returns

IMutableForeignKey

The foreign key that was removed.