Lenguaje

IConventionForeignKeyBuilder.IsConstrained Method

Definition

Namespace:
Microsoft.EntityFrameworkCore.Metadata.Builders
Assembly:
Microsoft.EntityFrameworkCore.dll
Package:
Microsoft.EntityFrameworkCore v11.0.0
Source:
IConventionForeignKeyBuilder.cs

Configures whether the relationship is constrained (backed by a guarantee that a matching principal key exists for every set foreign key value).

public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionForeignKeyBuilder? IsConstrained(bool? constrained, bool fromDataAnnotation = false);
abstract member IsConstrained : Nullable<bool> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionForeignKeyBuilder
Public Function IsConstrained (constrained As Nullable(Of Boolean), Optional fromDataAnnotation As Boolean = false) As IConventionForeignKeyBuilder

Parameters

constrained
Nullable<Boolean>

A value indicating whether the relationship is constrained. null to reset to default.

fromDataAnnotation
Boolean

Indicates whether the configuration was specified using a data annotation.

Returns

IConventionForeignKeyBuilder

The same builder instance if the constrainedness was configured, null otherwise.

Applies to