Asp.net mvc form with file upload

In the previous example, the user uploaded a file named GrandCanyon. The controller will read the files asynchronously. Web API supports asynchronous actions using the task-based programming model. First, here is the code if you are targeting. NET Framework 4.

Notice that the controller action does not take any parameters. That's because we process the request body inside the action, without invoking a media-type formatter. The MultipartFormDataStreamProvider class is a helper object that allocates file streams for uploaded files. This method extracts all of the message parts and writes them into the streams provided by the MultipartFormDataStreamProvider.

When the method completes, you can get information about the files from the FileData property, which is a collection of MultipartFileData objects.

As the name suggests, ReadAsMultipartAsync is an asynchronous method. To perform work after the method completes, use a continuation task. We'll add it in the ConfigureServices method in the Startup class as below:. In this way, we can develop a multi content form with fields and file using the IFormFile type which greatly helps in efficiently handling form file uploads for all types. Enjoy this article? Buy Me a Coffee. Join the community!

Like on Facebook Follow on Twitter. I'm a full-stack developer and a software enthusiast who likes to play around with cloud and tech stack out of curiosity. Getting Started: Let's say we want to create a Reader registration form where any given user shall submit his name, email address and his work as a reader in some document and we are to store this contents in our data store for a later use.

To achieve this, we require to undergo the following steps: A Front end Form HTML which receives the input attributes Name, EmailAddress and Work document A backend controller which receives this form input and processes it for the data keeping A Model that is used to transport this data between the Front-End View and the backend Controller. Name; reader. Work; if work! We should get this message on the View, as well. Hence, we have just learned how to upload the file in ASP.

I hope this post is useful to developers. View All. Nitin Updated date Jun 09, Select MVC Template. Adding Folder We will add a folder to store the files in the application. Adding Controller Let us add a controller.

Right click on the Controller. Click Add. Give a suitable name to the controller. Write the following code in the controller. Generic; using System. IO; using System.