Controller.File Method (Stream, String)

Creates a FileStreamResult object by using the Stream object and content type.

Namespace:  System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)


Protected Friend Function File ( _
    fileStream As Stream, _
    contentType As String _
) As FileStreamResult
protected internal FileStreamResult File(
    Stream fileStream,
    string contentType
protected public:
FileStreamResult^ File(
    Stream^ fileStream, 
    String^ contentType


Return Value

Type: System.Web.Mvc.FileStreamResult
The file-content result object.


The result object that is prepared by this method is written to the response by the MVC framework when the object is executed. The MediaTypeNames class can be used to get the MIME type for a specific file name extension.


A Visual Studio project with source code is available to accompany this topic: Download.

The following example shows how to display an image file in a browser.

public ActionResult ShowFile(string id) {
    fileDetail fd = getFileDetails(id);
    return File(fd.fileBytes, fd.mimeType);
Public Function ShowFile(ByVal id As String) As ActionResult 
    Dim fd As fileDetail = getFileDetails(id) 
    Return File(fd.fileBytes, fd.mimeType) 
End Function

See Also


Controller Class

File Overload

System.Web.Mvc Namespace