Global variables in c#.net

Question

How can I set a global variable in a C# web application?

What I want to do is to set a variable on a page (master page maybe) and access this variable from any page.

Answer 1

I second jdk's answer: any public static member of any class of your application can be considered as a "global variable".

However, do note that this is an ASP.NET application, and as such, it's a multi-threaded context for your global variables. Therefore, you should use some locking mechanism when you update and/or read the data to/from these variables. Otherwise, you might get your data in a corrupted state.