RequiredNavigationPropertyConfiguration<TEntityType, TTargetEntityType>.WithRequiredPrincipal Method (Expression<Func<TTargetEntityType, TEntityType>>)

Entity Framework 5.0

Configures the relationship to be required:required with a navigation property on the other side of the relationship. The entity type being configured will be the principal in the relationship. The entity type that the relationship targets will be the dependent and contain a foreign key to the principal.

Namespace:  System.Data.Entity.ModelConfiguration.Configuration
Assembly:  EntityFramework (in EntityFramework.dll)

public ForeignKeyNavigationPropertyConfiguration WithRequiredPrincipal(
	Expression<Func<TTargetEntityType, TEntityType>> navigationPropertyExpression
)

Parameters

navigationPropertyExpression
Type: System.Linq.Expressions.Expression<Func<TTargetEntityType, TEntityType>>

A lambda expression representing the navigation property on the other end of the relationship. For example, in C# t => t.MyProperty and in Visual Basic .Net Function(t) t.MyProperty.

Return Value

Type: System.Data.Entity.ModelConfiguration.Configuration.ForeignKeyNavigationPropertyConfiguration
A configuration object that can be used to further configure the relationship.
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