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ASP.NET MVC Uploading and Downloading Files


If you come to ASP.NET MVC from a purely ASP.NET Web Forms background, one of the first things you are likely to notice is that all those nice easy Server Controls have disappeared. One of those is the FileUpload, and its absence seems to cause a few problems. This article looks at how to upload files to the server in an MVC world, and how to get them back from the server to the user again.
 
In Web Forms, when you drag a FileUpload control on to the designer, something happens when the page is rendered which you probably don't notice. The resulting html form that wraps the entire page is decorated with an extra attribute: enctype="multipart/form-data". The FileUpload itself is rendered as an html input type=file. Within an MVC View, there are a number of ways to set this up. The first is with HTML:
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