Does FileStreamResult dispose the stream?
Yes. It uses a using block around the stream, and that ensures that the resource will dispose.
How do I return FileStreamResult?
return File(streamreader. ReadToEnd(), “text/plain”, “Result. PDF”); You do not need to change the return type of the action as FilePathResult inherits from ActionResult, so in the case of an error you can return the view to handle this.
How do I close MemoryStream?
In .NET 3.5 (haven’t checked other versions), methods are called in the following order when disposing a MemoryStream:
- Stream.Dispose() simply calls Close.
- Stream.Close() calls Dispose(true), then GC.SuppressFinalize(this)
- MemoryStream.Dispose(true)
- Stream.Dispose(true)
What is FileStreamResult?
FileContentResult. Represents an ActionResult that when executed will write a binary file to the response. FileStreamResult. Represents an ActionResult that when executed will write a file from a stream to the response.
How do I return a file in .NET core API?
You can return a FileContentResult object (Blob) from the server. It’ll not get automatically downloaded. You may create an anchor tag in your front-end app programmatically and set the href property to an object URL created from the Blob by the method below. Now clicking on the anchor will download the file.
How do I use FileResult?
Create a folder “File” and save a Word document to test the FileResult sample. Filepathresult initializes a new instance of the filepathresult class by using the specified file name and content type. Create a link to call the downloadfile() method of the home controller.
How do you use RedirectResult?
RedirectResult is an ActionResult that returns a Found (302), Moved Permanently (301), Temporary Redirect (307), or Permanent Redirect (308) response with a Location header to the supplied URL. It will redirect us to the provided URL, it doesn’t matter if the URL is relative or absolute.
Which action result will return a file content?
ASP.NET Core – Action Results
| Name | Behavior |
|---|---|
| FileContentResult | Returns file content |
| FilePathResult | Returns file content |
| FileStreamResult | Returns file content. |
| EmptyResult | Returns nothing |
What is FileContentResult?
FileContentResult Class (Microsoft.AspNetCore.Mvc) Represents an ActionResult that when executed will write a binary file to the response.
What is the return type of file?
The FileResult return type is used to return a File from the Action method of Controller in ASP.Net MVC Razor. The Folder (Directory) is located within the Project. Below is the screenshot of the Solution Explorer window where you can see the Folder (Directory) i.e. Files and it containing three files.
What is a MemoryStream?
MemoryStream encapsulates data stored as an unsigned byte array. The encapsulated data is directly accessible in memory. Memory streams can reduce the need for temporary buffers and files in an application. The current position of a stream is the position at which the next read or write operation takes place.
Do I need to close StreamReader?
1 Answer. No, there is no need to explicitly call reader. Close if the reading process is inside a using block. By using a using statement (that sounds awkward out loud) everything will be closed and disposed when the code exits the block.
What is RedirectResult?
RedirectResult. RedirectResult is an ActionResult that returns a Found (302), Moved Permanently (301), Temporary Redirect (307), or Permanent Redirect (308) response with a Location header to the supplied URL. It will redirect us to the provided URL, it doesn’t matter if the URL is relative or absolute.