.NET Framework Class Library
HttpResponse.TransmitFile Method

Note: This method is new in the .NET Framework version 2.0.

Writes the specified file directly to an HTTP response output stream without buffering it in memory.

Namespace: System.Web
Assembly: System.Web (in system.web.dll)

Syntax

Visual Basic (Declaration)
Public Sub TransmitFile ( _
    filename As String _
)
Visual Basic (Usage)
Dim instance As HttpResponse
Dim filename As String

instance.TransmitFile(filename)
C#
public void TransmitFile (
    string filename
)
C++
public:
void TransmitFile (
    String^ filename
)
J#
public void TransmitFile (
    String filename
)
JScript
public function TransmitFile (
    filename : String
)

Parameters

filename

The name of the file to write to the HTTP output.

Exceptions

Exception typeCondition

ArgumentNullException

Filename value is null

Platforms

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

Version Information

.NET Framework

Supported in: 2.0
See Also

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Response.ContentType = "image/jpeg";Response.AppendHeader("Content-Disposition","attachment; filename=SailBig.jpg");Response.TransmitFile( Server.MapPath("~/images/sailbig.jpg") );Response.End();
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