ConstraintCollection::Add Method (String^, DataColumn^, DataColumn^)

 

Constructs a new ForeignKeyConstraint with the specified name, parent column, and child column, and adds the constraint to the collection.

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

public:
Constraint^ Add(
	String^ name,
	DataColumn^ primaryKeyColumn,
	DataColumn^ foreignKeyColumn
)

Parameters

name
Type: System::String^

The name of the ForeignKeyConstraint.

primaryKeyColumn
Type: System.Data::DataColumn^

The primary key, or parent, DataColumn.

foreignKeyColumn
Type: System.Data::DataColumn^

The foreign key, or child, DataColumn.

Return Value

Type: System.Data::Constraint^

A new ForeignKeyConstraint.

The CollectionChanged event occurs if the constraint is added successfully.

The following example adds a new ForeignKeyConstraint to the ConstraintCollection of a DataTable.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 1.1
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