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DataRow.GetChildRows Method (String, DataRowVersion)

Gets the child rows of a DataRow using the specified RelationName of a DataRelation, and DataRowVersion.

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

public DataRow[] GetChildRows(
	string relationName,
	DataRowVersion version
)

Parameters

relationName
Type: System.String

The RelationName of the DataRelation to use.

version
Type: System.Data.DataRowVersion

One of the DataRowVersion values specifying the version of the data to get. Possible values are Default, Original, Current, and Proposed.

Return Value

Type: System.Data.DataRow[]
An array of DataRow objects or an array of length zero.

ExceptionCondition
ArgumentException

The relation and row do not belong to the same table.

ArgumentNullException

The relation is null.

RowNotInTableException

The row does not belong to the table.

VersionNotFoundException

The row does not have the requested DataRowVersion.

The DataTable also contains a collection of DataRelation objects that is returned by the ChildRelations property.

Use the HasVersion property to determine whether the DataRowVersion that you want exists.

If Default is specified, the version that is used depends on the RowState of the row on which GetChildRows is invoked. If the row on which GetChildRows is invoked has a RowState of Modified, New, or Unchanged, the Current version of the row is used for fetching related child rows with matching values in their Current versions. If the row on which GetChildRows is invoked has a RowState of Deleted, the Original version of the row is used for fetching related child rows with matching values in their original versions.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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