DataRelation Constructor (String, DataColumn, DataColumn)


Initializes a new instance of the DataRelation class using the specified DataRelation name, and parent and child DataColumn objects.

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

new : 
        relationName:string *
        parentColumn:DataColumn *
        childColumn:DataColumn -> DataRelation


Type: System.String

The name of the DataRelation. If null or an empty string (""), a default name will be given when the created object is added to the DataRelationCollection.

Type: System.Data.DataColumn

The parent DataColumn in the relationship.

Type: System.Data.DataColumn

The child DataColumn in the relationship.

Exception Condition

One or both of the DataColumn objects contains null.


The columns have different data types


The tables do not belong to the same DataSet.

The following example creates a new DataRelation and adds it to the DataRelationCollection of a DataSet.

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

.NET Framework
Available since 1.1
Return to top