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)

public:
virtual DataRelation^ Add(
	String^ name,
	DataColumn^ parentColumn,
	DataColumn^ childColumn
)

Parameters

name
Type: System::String^

The name of the relation.

parentColumn
Type: System.Data::DataColumn^

The parent column of the relation.

childColumn
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
Available since 1.1
Return to top
Show: