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Controller.File Method (Byte[], 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 internal FileContentResult File(
	byte[] fileContents,
	string contentType
)

Parameters

fileContents
Type: System.Byte[]

The binary content to send to the response.

contentType
Type: System.String

The content type (MIME type).

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 ASP.NET 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);
}
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