/1[], String)

Creates a FileContentResult object by using the file contents and file type.

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


Protected Friend Function File ( _
    fileContents As Byte(), _
    contentType As String _
) As FileContentResult
protected internal FileContentResult File(
    byte[] fileContents,
    string contentType
protected public:
FileContentResult^ File(
    array<unsigned char>^ fileContents, 
    String^ contentType


  • fileContents
    Type: System.Byte[]
    The binary content to send to the response.

Return Value

Type: System.Web.Mvc.FileContentResult
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 ShowFileDLN(string id) {
    FileDetail fd = GetFileDetails(id);
    return File(fd.fileBytes, fd.mimeType, id);
Public Function ShowFileDLN(ByVal id As String) As ActionResult 
    Dim fd As FileDetail = GetFileDetails(id) 
    Return File(fd.fileBytes, fd.mimeType, id) 
End Function

See Also


Controller Class

File Overload

System.Web.Mvc Namespace