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IConventionForeignKey.SetIsRequired(Nullable<Boolean>, Boolean) Method

  • Reference

Definition

Namespace:
Microsoft.EntityFrameworkCore.Metadata
Assembly:
Microsoft.EntityFrameworkCore.dll
Package:
Microsoft.EntityFrameworkCore v3.0.0
Package:
Microsoft.EntityFrameworkCore v3.1.0
Package:
Microsoft.EntityFrameworkCore v5.0.0
Package:
Microsoft.EntityFrameworkCore v6.0.0
Package:
Microsoft.EntityFrameworkCore v7.0.0
Package:
Microsoft.EntityFrameworkCore v8.0.0

Sets a value indicating whether the principal entity is required. If true, the dependent entity must always be assigned to a valid principal entity.

public void SetIsRequired (bool? required, bool fromDataAnnotation = false);
public bool? SetIsRequired (bool? required, bool fromDataAnnotation = false);
abstract member SetIsRequired : Nullable<bool> * bool -> unit
abstract member SetIsRequired : Nullable<bool> * bool -> Nullable<bool>
Public Sub SetIsRequired (required As Nullable(Of Boolean), Optional fromDataAnnotation As Boolean = false)
Public Function SetIsRequired (required As Nullable(Of Boolean), Optional fromDataAnnotation As Boolean = false) As Nullable(Of Boolean)

Parameters

required
Nullable<Boolean>

A value indicating whether the principal entity is required.

fromDataAnnotation
Boolean

Indicates whether the configuration was specified using a data annotation.

Returns

Nullable<Boolean>

The configured requiredness.

Applies to