OracleDataReader.GetChars Method
Reads a stream of characters from the specified column offset into the buffer as an array, starting at the given buffer offset.
Assembly: System.Data.OracleClient (in System.Data.OracleClient.dll)
public override long GetChars( int i, long fieldOffset, char[] buffer2, int bufferoffset, int length )
Parameters
- i
- Type: System.Int32
The zero-based column ordinal.
- fieldOffset
- Type: System.Int64
The index within the row where the read operation is to begin.
- buffer2
- Type: System.Char[]
The buffer into which to copy data.
- bufferoffset
- Type: System.Int32
The index where buffer is to begin the write operation.
- length
- Type: System.Int32
The number of characters to read.
Implements
IDataRecord.GetChars(Int32, Int64, Char[], Int32, Int32)If you call GetChars with a non-null buffer, the data is read into the buffer, and GetChars will return the number of bytes that were read into the buffer.
If you call GetChars with a null buffer, then no data is read, and GetChars will return the number of characters that are available to read. In most cases, this number is the full length of the field. However, if GetChars has already been used to read characters from the field, then the return value may instead be only the number of characters remaining in the field. This may be the case, for example, if the OracleDataReader was created by using CommandBehavior.SequentialAccess.
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
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.
