How to implement the download functionality in the ASP.net MVC application

The last time Insus.net had the ability to upload files in an MVC application The MVC application shows uploaded pictures http://www.cnblogs.com/insus/p/3597543.html

There are uploads to download. This blog post is to display the uploaded file as a list of view views, then the user can click to download.

For more information, I suggest you look at the link first.

In the entity directory of the MVC application, locate and open FileLibraryEntity.cs and add a method to return the DataTable:

The #1写一个GetUploadFileByPrimarykey (filelibrary FL) function returns a DataTable in order to pass in the primary key and obtain relevant file information from the database.

#2 and #3 modified place, and this article has no relationship, insus.net just see the code redundancy, random refactoring just.

Next, customize a result, called Downloadresult, this class has inherited Contentresult class, also need override Executeresult () method:

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