MVC controller and file upload handling in ASP.NET MVC (https://www.nuget.org/packages/DropzoneMvc/)

1. Put into web.config the below keys in AppSettings (this will be used by DropzoneAttachmentController)

    <!--A place to hold all temporary files-->
    <add key="TempFilesRoot" value="~/App_Data/TempFiles" />

2. Install the package into your app:

   Install-Package DropzoneMvc

3. In your view (the form) add the following

   @{ Html.RenderAction("GetComponent", "DropzoneAttachment", new { referenceId = Model.Id }); }

4. In POST action of the controller

   var tempFilesFolder = Server.MapPath(ConfigurationManager.AppSettings["TempFilesRoot"]); var files = new DropzoneMonitor(Request).GetActiveUploadedFiles(tempFilesFolder); // file will be the full path minis the TempFilesRoot

Now you get all the files, just save them as your logic requires.

Please check some notes below:

/!\ JQuery must be configured & put in head tag

/!\ Dropzone js and css bundles must be declared (in BundleConfig.cs file) -> these bundles will be referenced by the view _DropzoneComponent.cshtml (in DropzoneMvcDemo\Views\Shared)

/!\ You must have to config an IoC for IDropzoneAttachmentSecurityCheck => Check the demo setup with SimpleInjector