DataRelationCollection::Add Method (DataColumn^, DataColumn^)
.NET Framework (current version)
Creates a DataRelation with a specified parent and child column, and adds it to the collection.
Assembly: System.Data (in System.Data.dll)
Parameters
- parentColumn
-
Type:
System.Data::DataColumn^
The parent column of the relation.
- childColumn
-
Type:
System.Data::DataColumn^
The child column of the 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
Available since 1.1
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