System.Data Namespace   DataRelationCollection Class

---

Adds a DataRelation with the given arrays of parent and child columns to the collection.

[ VB ]
Overridable Overloads Public Function Add ( _
   ByVal parentColumns ( ) As DataColumn, _
   ByVal childColumns ( ) As DataColumn _
) As DataRelation

[ C# ]
public virtual DataRelation Add (
   DataColumn [ ] parentColumns,
   DataColumn [ ] childColumns
);

[ C++ ]
public: virtual DataRelation* Add (
   DataColumn* parentColumns [ ],
   DataColumn* childColumns [ ]
);

[ JScript ]
public function Add (
   parentColumns : DataColumn [ ],
   childColumns : DataColumn [ ]
) : DataRelation;

parentColumns

The parent columns of the relation.

childColumns

The child columns of the relation.

The newly created DataRelation.

Exception Type	Condition
ArgumentException	Occurs when the relation already belongs to this collection, or it belongs to another collection.
InvalidConstraintException	Occurs when the relation cannot be created based on the given parameters.

This version of the Add method creates a relation given the above parameters and adds it to the collection. The name is defaulted. The CollectionChanged event is fired if it succeeds.

DataRelationCollection Members   DataRelationCollection.Add Overload List