SqlDataReader.GetXmlReader(Int32) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Retrieves data of type XML as an XmlReader.
public:
virtual System::Xml::XmlReader ^ GetXmlReader(int i);public virtual System.Xml.XmlReader GetXmlReader (int i);abstract member GetXmlReader : int -> System.Xml.XmlReader
override this.GetXmlReader : int -> System.Xml.XmlReaderPublic Overridable Function GetXmlReader (i As Integer) As XmlReaderParameters
- i
- Int32
The value of the specified column.
Returns
The returned object.
Exceptions
The connection drops or is closed during the data retrieval.
The SqlDataReader is closed during the data retrieval.
There is no data ready to be read (for example, the first Read() hasn't been called, or returned false).
Trying to read a previously read column in sequential mode.
There was an asynchronous operation in progress. This applies to all Get* methods when running in sequential mode, as they could be called while reading a stream.
Trying to read a column that does not exist.
The returned type was not xml.
Remarks
The XmlReader object returned by GetXmlReader does not support asynchronous operations. If you require asynchronous operations on an XmlReader, cast the XML column to an NVARCHAR(MAX) on the server and use GetTextReader with Create.
SqlException exceptions raised from XmlReader are thrown as XmlException exceptions; check the inner exception for the SqlException.
GetChars will raise an InvalidOperationException exception when used on an object returned by GetXmlReader when SequentialAccess is in effect.
For more information, see SqlClient Streaming Support.
