ASP.NET in a Nutshell

Name

WriteFile

Synopsis

Response.WriteFile(ByVal fileName As String)
Response.WriteFile(ByVal fileName As String, _
   ByVal includeHeaders As Boolean)
Response.WriteFile(ByVal fileHandle As IntPtr, _
   ByVal offset As Long, ByVal size As Long)
Response.WriteFile(ByVal fileName As String, _
   ByVal offset As Long, ByVal size As Long)

Write s a file specified in one of the overloaded arguments to the output stream.

Parameters

fileName

A String argument containing the path and filename of the file whose content should be written to the output stream.

includeHeaders

A Boolean argument indicating whether the contents of the file should be written to a memory block.

fileHandle

An Argument of type IntPtr containing a handle to a file. You can get the handle by creating a new FileStream object from the file and then querying the FileStream’s Handle property.

offset

An Argument of type Long containing the byte position in the file from which writing should start.

size

An Argument of type Long containing the number of bytes that should be written to the output stream.

Example

The example writes the contents of the file dep.txt to the output stream of the current response.

Sub Page_Load(  )
   Response.WriteFile("dep.txt")
End Sub

Notes

The WriteFile method can be used in a variety of ways to output text content directly from a file. Attempts to write other content types (such as image data) will fail.