System.Data Namespace   DataRelationCollection Class

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

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

[ C# ]
public virtual DataRelation Add (
   DataColumn parentColumn,
   DataColumn childColumn
);

[ C++ ]
public: virtual DataRelation* Add (
   DataColumn* parentColumn,
   DataColumn* childColumn
);

[ JScript ]
public function Add (
   parentColumn : DataColumn,
   childColumn : DataColumn
) : DataRelation;

parentColumn

The parent column of the relation.

childColumn

The child column of the relation.

The newly created DataRelation.

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.

The following example adds a new DataRelation using this version of the Add method.

ds.Relations.Add (
   ds.Tables [ 0 ].Columns [ "CategoryID" ], 
   ds.Tables [ 1 ].Columns [ "CategoryID" ] );

ds.Relations.Add ( _
   ds.Tables ( 0 ).Columns ( "CategoryID" ), _
   ds.Tables ( 1 ).Columns ( "CategoryID" ) )

DataRelationCollection Members   DataRelationCollection.Add Overload List