A small class to retrieve the MIME Type of any file and/or extension in C# using Windows Registry or a static MIME Type Map for I have even tried FilePathResult and FileStreamResult nothing works public FileResult “must-revalidate”); return File(path, contentType); }. Я заменил столбец FileExtension в моей таблице базы данных столбцом ContentType. Я заполняю его, когда я загружаю файл. Private Sub.

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When the user want to save the file sent to the browser, the server can suggest a filename to the client and the Content-Disposition header is just for that.

This site uses Akismet to reduce spam. I populate it when I upload a file.

I’m sure this article will help the MVC programmers to increase their grip on the framework. We can use our FileStringResult as shown in the below action. I made a C helper class based on Filestreamrwsult response.

Как определить тип содержимого файла в .NET?

How to upload a file? Actually you don’t need to instantiate the FileResult types from action methods the Controller has bunch of built-in methods that helps to easily send a file in response. The POSTed file s are available as parameters directly in actions through model binding. How to return a file as response? Instead of manually reading the file from the Requestby taking the advantage of model binding the file can be made directly available as a parameter in the action as shown in contentty;e below listing.


If you forget setting the proper encoding type then only the filename is submitted not the file. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. TryGetValue extension, out mime?

Uploading and returning files in MVC

If it fails then generate the header value based on RFC from its own methods. Dim regKey As Microsoft.

Reading files from request 3. I could upload a. ContainsKey Temp 0 Then data. OpenSubKey ext ; if regKey!

Get a File Content-Type / MIME-type from file extension in ASP.NET C#

In the above action we have done couple of validations against the uploaded file. I really appreciate them. This class mainly does the job of adding Content-Type and Content-Disposition headers into the response. I use a custom config section in web.

Notify me of follow-up comments by email. There are already plenty of articles written on this subject.

Using view models to validate POSTed files 5. I’ve replaced the FileExtension column in my database table with a ContentType column. My WPF application gets a file from the user with Microsoft. A dictionary may conttenttype a good idea, especially if you want the list of supported extensions to be dynamic, or have it loaded in from a config file or something.


FileStreamResult(Stream, String) Constructor () | Microsoft Docs

Creating custom file action result You can see the complete code of FilePathResult here. Stack Overflow works best with JavaScript enabled. But it won’t be faster.

This is undoubtely a major issue that might leads some to prefer the contentgype method instead. Leave a Reply Cancel reply Your email address will not be published.

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