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AssociationAttribute.IsForeignKey Property

Gets or sets the member as the foreign key in an association representing a database relationship.

Namespace:  System.Data.Linq.Mapping
Assembly:  System.Data.Linq (in System.Data.Linq.dll)
public bool IsForeignKey { get; set; }

Property Value

Type: System.Boolean
Default = false.
	[Association(Name="FK_CustomerCustomerDemo", Storage="_CustomerDemographic", ThisKey="CustomerTypeID", IsForeignKey=true)]
	public CustomerDemographic CustomerDemographic
	{
		get
		{
			return this._CustomerDemographic.Entity;
		}
		set
		{
			CustomerDemographic previousValue = this._CustomerDemographic.Entity;
			if (((previousValue != value) 
						|| (this._CustomerDemographic.HasLoadedOrAssignedValue == false)))
			{
				this.SendPropertyChanging();
				if ((previousValue != null))
				{
					this._CustomerDemographic.Entity = null;
					previousValue.CustomerCustomerDemos.Remove(this);
				}
				this._CustomerDemographic.Entity = value;
				if ((value != null))
				{
					value.CustomerCustomerDemos.Add(this);
					this._CustomerTypeID = value.CustomerTypeID;
				}
				else
				{
					this._CustomerTypeID = default(string);
				}
				this.SendPropertyChanged("CustomerDemographic");
			}
		}
	}

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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