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DataRelation Constructor (String, String, String, String[], String[], Boolean)

This constructor is provided for design time support in the Visual Studio environment.

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

[BrowsableAttribute(false)]
public DataRelation(
	string relationName,
	string parentTableName,
	string childTableName,
	string[] parentColumnNames,
	string[] childColumnNames,
	bool nested
)

Parameters

relationName
Type: System.String

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

parentTableName
Type: System.String

The name of the DataTable that is the parent table of the relation.

childTableName
Type: System.String

The name of the DataTable that is the child table of the relation.

parentColumnNames
Type: System.String[]

An array of DataColumn object names in the parent DataTable of the relation.

childColumnNames
Type: System.String[]

An array of DataColumn object names in the child DataTable of the relation.

nested
Type: System.Boolean

A value that indicates whether relationships are nested.

Any DataRelation object created by using this constructor must be added to the collection with the AddRange method inside of a BeginInit and EndInit block. If this constructor is not called between BeginInit and EndInit a NullReferenceException will occur. In addition, the tables and columns with the specified names must exist at the time the constructor is called.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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