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DataRelationCollection.Remove Method (DataRelation)

Removes the specified relation from the collection.

Namespace: System.Data
Assembly: System.Data (in

public void Remove (
	DataRelation relation
public void Remove (
	DataRelation relation
public function Remove (
	relation : DataRelation
Not applicable.



The relation to remove.

Exception typeCondition


The relation is a null value.


The relation does not belong to the collection.

The CollectionChanged event is fired if the remove operation succeeds. Note that removing the relation does not remove any associated constraint objects.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0