ConstraintCollection::Add Method (String^, DataColumn^, DataColumn^)
.NET Framework (current version)
Constructs a new ForeignKeyConstraint with the specified name, parent column, and child column, and adds the constraint to the collection.
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.
The CollectionChanged event occurs if the constraint is added successfully.
The following example adds a new ForeignKeyConstraint to the ConstraintCollection of a DataTable.
.NET Framework
Available since 1.1
Available since 1.1
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