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DataTable.WriteXml Method (Stream, Boolean)

Writes the current contents of the DataTable as XML using the specified Stream. To save the data for the table and all its descendants, set the writeHierarchy parameter to true.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)
'Declaration
Public Sub WriteXml ( _
	stream As Stream, _
	writeHierarchy As Boolean _
)

Parameters

stream
Type: System.IO.Stream

The stream to which the data will be written.

writeHierarchy
Type: System.Boolean

If true, write the contents of the current table and all its descendants. If false (the default value), write the data for the current table only.

Use the WriteXmlSchema method to write the schema for a DataTable to an XML document. The schema includes table, relation, and constraint definitions.

The XML schema is written using the XSD standard.

To write the data to an XML document, use the WriteXml method.

Normally the WriteXml method writes the data only for the current table. To write the data for the current table and all of its descendant, related tables, call the method with the writeHierarchy parameter set to true.

NoteNote

An InvalidOperationException will be thrown if a column type in the DataRow being read from or written to implements IDynamicMetaObjectProvider and does not implement IXmlSerializable.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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