How to add Session in MVC to save text entered in a textbox

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MVC3

Hello..

I am new to programming, especially to MVC. I have designed a blog in MVC 3 ASP.NET for a client. The blog also have user account for admin for content management.

Once logged in, Admin can create new post. Sometimes the post can be long text. Therefore, I want to create a session to temporarily save the content within the text box as the user types it in. Once the user click the submit button, the sessions ends and the text will be permanently saved.

This allows the users to leave the post half way through, come back and carry on from where they left. Also, if the browser close accidently, the user does not loose the text already typed in.

I have been trying find tutorial on this, but was unable to find a useful tutorial so far.

Any help, or point to useful tutorial would be greatly appreciated.

Thanks