How do I store data between requests in ASP.NET MVC?

Question

My application reads barcodes from a USB scanner. I treat them as tokens and then build commands from those tokens. There may be a situation that I need 2 or more reads befo

Answer 1

The TempData dictionary is ideal for storing data between controller actions. It's most commonly used in the Post/Redirect/Get pattern but could apply here.

This is a good article to read about it: http://www.devcurry.com/2012/05/what-is-aspnet-mvc-tempdata.html

Answer 2

Here are a couple of possibilities that come to mind:

On the client:

• Cookie
• Hidden fields

On the server:

• Cache (make sure to use user specific key to avoid collisions)
• Some backend storage (such as a database)
• ASP.NET Session