System.ComponentModel.DataAnnotations 4.0.0.0 System.Attribute System.AttributeUsage(System.AttributeTargets.Property | System.AttributeTargets.Field | System.AttributeTargets.All, AllowMultiple=false) To be added. Denotes a property used as a foreign key in a relationship. Constructor 4.0.0.0 To be added. Initializes a new instance of the class. The name of the associated foreign key. Property 4.0.0.0 System.String To be added. To be added. Gets the name of the associated foreign key.