DataRow.GetChildRows Method (DataRelation, DataRowVersion)
Assembly: System.Data (in System.Data.dll)
The relation and row do not belong to the same table.
The relation is a null reference (Nothing in Visual Basic).
The row does not belong to the table.
The row does not have the requested DataRowVersion.
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 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.