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Add Method (String, DataColumn, DataColumn)

DataRelationCollection::Add Method (String, DataColumn, DataColumn)

Creates a DataRelation with the specified name, and parent and child columns, and adds it to the collection.

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

virtual DataRelation^ Add(
	String^ name, 
	DataColumn^ parentColumn, 
	DataColumn^ childColumn


Type: System::String

The name of the relation.

Type: System.Data::DataColumn

The parent column of the relation.

Type: System.Data::DataColumn

The child column of the relation.

Return Value

Type: System.Data::DataRelation
The created relation.

When a DataRelation object is added to the collection, ForeignKeyConstraint and UniqueConstraint objects are created by default if they do not already exist.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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