SqlDataReader.GetTextReader(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 Char, NChar, NText, NVarChar, text, varChar, and Variant data types as a TextReader.
public:
override System::IO::TextReader ^ GetTextReader(int i);
public override System.IO.TextReader GetTextReader(int i);
override this.GetTextReader : int -> System.IO.TextReader
Public Overrides Function GetTextReader (i As Integer) As TextReader
Parameters
- i
- Int32
The column to be retrieved.
Returns
The returned object.
Exceptions
Trying to read a column that does not exist.
Remarks
SqlException exceptions raised from TextReader are thrown as IOException exceptions; check the inner exception for the SqlException.
Null values will be returned as an empty (zero bytes) TextReader. GetChars(Int32, Int64, Char[], Int32, Int32) will raise an InvalidOperationException exception when used on an object returned by GetTextReader(Int32) when SequentialAccess is in effect.
For more information, see SqlClient Streaming Support.