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SqlFileStream.Read Method

.NET Framework 4

Reads a sequence of bytes from the current stream and advances the position within the stream by the number of bytes read.

Namespace: System.Data.SqlTypes
Assembly: System.Data (in System.Data.dll)

Syntax

C++

Copy

public override int Read(
	byte[] buffer,
	int offset,
	int count
)

Parameters

buffer: Type: System.Byte[]
An array of bytes. When this method returns, the buffer contains the specified byte array with the values between offset and (offset + count - 1) replaced by the bytes read from the current source.

offset: Type: System.Int32
The zero-based byte offset in buffer at which to begin storing the data read from the current stream.

count: Type: System.Int32
The maximum number of bytes to be read from the current stream.

Return Value

Type: System.Int32
The total number of bytes read into the buffer. This can be less than the number of bytes requested if that many bytes are not currently available, or zero (0) if the end of the stream has been reached.

Exceptions

Exception	Condition
NotSupportedException	The object does not support reading of data.

Remarks

Use the CanRead property to determine whether the current instance supports writing.

Version Information

.NET Framework

Supported in: 4, 3.5 SP1, 3.0 SP2, 2.0 SP2

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

SqlFileStream Class

System.Data.SqlTypes Namespace

Other Resources

FILESTREAM Data in SQL Server 2008 (ADO.NET)

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